JEWS IN THE MEDICAL & LIFE SCIENCES
Prior to presenting his appeal to Oliver Cromwell for the readmission of the Jews, who had been expelled from England in 1290, Manasseh ben Israel wrote in The Hope of Israel 1: "Hence it may be seen that God hath not left us; for if one persecutes us, another receives us civilly and courteously; and if this prince treats us ill, another treats us well; if one banisheth us out of his country, another invites us with a thousand privileges ... and do we not see that those Republiques do flourish and much increase in trade who admit the Israelites?" But it was not for their economic prowess alone that the Jews were valued, it was for a whole host of skills, not the least of which was their expertise in the medical arts.
Winston Churchill, writing of the expulsion referred to above, states: "The Jews, held up to universal hatred, were pillaged, maltreated, and finally expelled from the realm. Exception was made for certain physicians without whose skill persons of consequence might have lacked due attention."2 Indeed, more often than not, the chief court physicians of the rulers of Europe were Jews or crypto-Jews. To cite but a few examples, Frederick III of the Holy Roman Empire, Ferdinand and Isabella of Spain, Elizabeth I of England, Louis XIV of France, Catherine de Medici, and Catherine the Great of Russia all at one time or another employed Jewish personal physicians.3 Nor was it only the secular rulers of Christendom that depended on Jewish medical skills. As the Spanish philosopher and theologian Ramon Lull (Raymond Lully) complained in the thirteenth century: "Jews are universally entrusted by the great with the care of their health. Nor is the Church free from this abomination, for nearly every monastery has its Jewish physician."4 Among the many Popes who maintained Jewish personal physicians were Martin IV, Nicholas IV, Boniface VIII, Alexander VI, Julius II, Leo X, Clement VII, Paul III, Gregory XV, Urban VIII, and Innocent X.5
Much the same situation prevailed in Dar al-Islam, where, e.g., Maimonides served as court physician to Saladin the Great's Vizier Al-Fadhil and later to Saladin's son and successor. Jews also figured prominently as translators and transmitters to the Moslem world of the medical scholarship of the ancient Greeks, and would later play a similar role in transmitting to Europe the scholarship of Moslem physicians such as Avicenna. In the late Middle Ages, the Jews, numbering only about 1% of Europe's population, constituted roughly half of its physicians.6 During the last of the great European Jewish expulsions in the 1930s, the medical centers of Vienna and Berlin lost nearly half of their physicians and the majority of their medical school faculties.7 Many fled to America, helping to fuel its meteoric rise to preeminence in biomedical research; Jews have accounted for some 40% of US Nobel Prizes in medicine and constitute over one-third of the combined membership of the life sciences divisions of the US National Academy of Sciences and its affiliated Institute of Medicine.
The following links contain lists of prominent Jewish scientists and recipients of major international awards in the biomedical field.
- Jewish Biomedical & Life Scientists
- Jewish Recipients of the Nobel Prize in Physiology or Medicine (27% of recipients)
- Jewish Recipients of the Lasker Award in Basic Medical Research (32% of recipients)
- Jewish Recipients of the Gairdner Foundation Award (26% of recipients)
- Jewish Recipients of the Wolf Prize in Medicine (41% of recipients)
- Jewish Recipients of the Louisa Gross Horwitz Prize (40% of recipients)
- Jewish Recipients of the GM Cancer Research Foundation Sloan Prize (35% of recipients)
- Jews Among the Creators of History's Greatest Lifesaving Medical & Scientific Advances (estimated 2.8 billion lives saved)
Some of the more notable Jewish contributions to the medical and biological sciences in the modern era are listed below. (The names of non-Jewish scientists mentioned in the accompanying discussion have been denoted with the superscript "+" in order to avoid confusion.)
- The invention of local anesthesia by Carl Koller and the discovery of Novocaine by Alfred Einhorn.
- The discovery that pancreatic dysfunction is the cause of diabetes by Oskar Minkowski (together with Joseph von Mering+) and the subsequent discovery that this dysfunction involves a deficiency in the hormonal secretions of the islets of Langerhans by Moses Barron. The work of the Canadian team that isolated insulin (Banting+, Best+, Collip+, and Macleod+) was based on these two prior discoveries.
- The discovery of the ABO and other human blood groups and of the Rh factor by Karl Landsteiner. (The M, N, and P blood groups were co-discovered with Philip Levine and the Rh factor was co-discovered with Alexander Wiener). Landsteiner received the 1930 Nobel Prize for this work, which made safe blood transfusions possible for the first time. Landsteiner is also considered to be one of the giants of immunology, having made major contributions to the understanding of the chemical basis of antigen-antibody interaction.
- The development of the sodium citrate blood storage technique by Richard Lewisohn. Prior to Lewisohn's work in 1913, blood could not be stored and had to be transfused directly between donor and recipient. The use of sodium citrate as an anticoagulant, together with the use of refrigeration (introduced by Richard Weil), permitted creation of the first blood banks. Lewisohn and Karl Landsteiner (see above) are considered to be the two researchers most responsible for the invention of modern blood transfusion, which is estimated to have saved in excess of one billion lives since the 1950s alone, making it the single greatest lifesaving medical advance in history.8
- The introduction of the side-chain theory of antibody formation by Paul Ehrlich, which has evolved into clonal selection theory, the central paradigm of modern immunology. Ehrlich shared the 1908 Nobel Prize with Élie Metchnikoff* for their independent contributions to immunology. Ehrlich is also considered to be the founder of modern chemotherapeutic medicine. His development of Salvarsan (1909) and Neosalvarsan (1911) constituted the first effective treatment for syphilis and, in the words of Sir Alexander Fleming+, "the beginning - and a magnificent beginning - of bacterial chemotherapy." 9
- The isolation and development of penicillin by Sir Ernst Chain. Chain shared the 1945 Nobel Prize for this work with Sir Alexander Fleming+ and Sir Howard Florey+. It was Chain who recognized the potential of Fleming's+ nearly forgotten discovery of the antibacterial properties of Penicillium molds (one of many agents then known to have such properties). Chain, a biochemist, was able to isolate the active antibacterial substance, viz., penicillin, and to work out its molecular structure (later confirmed in the Nobel-Prize-winning x-ray diffraction work of Dorothy Crowfoot Hodgkin+). Using samples that Chain produced, Chain and Florey+ demonstrated penicillin's stability, nontoxicity, and effectiveness against staphylococcal, streptococcal, and clostridial infections in laboratory animals and humans.
- The development of streptomycin by Selman Waksman and Albert Schatz. Waksman received the 1952 Nobel Prize for this work, which created the first antibiotic effective against tuberculosis, for which (in combination with other drugs) it remains a therapeutic mainstay.
- The development of isoniazid by Herbert Fox and Harry Yale. Although isoniazid, the leading drug used in the treatment of tuberculosis since the mid-1950s, was first synthesized in 1912 by Josef Mally+ and Hans Leopold Meyer (who later died in the Nazi concentration camp at Terezín), its anti-tubercular properties were not discovered until the early 1950s, when it was independently re-synthesized and clinically explored by three separate groups. These were headed, respectively, by Fox at Hoffmann-La Roche, Yale at Squibb, and Gerhard Domagk+ at Bayer. Isoniazid, used early on in combination with streptomycin and a third drug, para-amino salicylic acid (PAS), and more recently in combination with other drugs, has saved over a hundred million lives since the 1950s. (PAS was developed by Jörgen Lehmann+ in Denmark, based on studies carried out by Frederick Bernheim in the US. In these studies, Bernheim established the metabolic role of salicylic acid in the tubercle bacillus. PAS is basically designed to interfere with these salicylate-dependant metabolic processes, ultimately impairing or killing the bacillus.) In a related, but separate development, iproniazid, an isoniazid derivative first synthesized by Fox in 1951 as a potential anti-tubercular agent, was found to have powerful anti-depressant effects. It subsequently became the basis for the MAOIs (mono-amine oxidase inhibitors) that revolutionized the treatment of clinical depression in the post-war period.
- The isolation of cortisone by Tadeus Reichstein. Reichstein shared the 1950 Nobel Prize with Edward Kendall+ and Philip Hench+. Reichstein and Kendall+ were recognized for having independently isolated and characterized the hormones of the adrenal cortex, the most important of which was cortisone.
- The chemical synthesis of cortisone by Lewis Sarett*, Max Tishler, and Carl Djerassi. Sarett, working under Tishler at Merck, achieved the first chemical synthesis of the compound. With subsequent improvements by Tishler, Sarett's synthesis made cortisone a commercially available drug for the first time. Further advances achieved independently by Djerassi and by Percy Julian+ made economically viable, large-scale production possible. Sarett, Tishler, and Djerassi were all awarded US National Medals of Science (in 1975, 1987, and 1973, respectively).
- The invention of acetylsalicylic acid (aspirin) by Charles Gerhardt. Aspirin is an artificially modified form of salicylic acid, a naturally occurring substance that can be obtained from the bark of willow trees, whose analgesic properties have been known since antiquity. Salicylic acid is, however, very poorly tolerated by the digestive system, which greatly limits its medicinal value. The original proposal to reduce its toxicity through acetylation, and the first synthesis of acetylsalicylic acid was the work of Charles Frédéric Gerhardt. Although Gerhardt's 1853 synthesis apparently failed to yield acetylsalicylic acid of sufficient purity to be medicinally useful, the basic idea behind aspirin was his. The first successful synthesis of pure acetylsalicylic acid was achieved in 1897 by Felix Hoffmann+, working at F. Bayer & Co. in Germany. Recently developed evidence indicates, however, that credit for this development should have gone equally, or even predominantly, to Hoffmann's+ Jewish supervisor, Arthur Eichengrun.10
- The discovery of prostaglandins by M. W. Goldblatt. (Also discovered independently by Ulf von Euler+.) Sir John Vane* was awarded the Nobel Prize in 1982 for demonstrating that the anti-inflammatory and analgesic action of aspirin-like drugs was via their inhibition of prostaglandin production. Vane also discovered the vasodilator prostacyclin, which led directly to the development of the ACE inhibitors that are widely used in the treatment of hypertension, heart failure, and other vascular diseases. The development of the COX-2 selective inhibitors (such as the "super-aspirin" Celebrex, widely used by severe arthritis sufferers) was largely the work of Philip Needleman.
- The discovery of neurotransmitters by Otto Loewi. Loewi shared the 1936 Nobel Prize with Sir Henry Dale+ for their independent work on acetylcholine. Sir Bernard Katz and Julius Axelrod shared the 1970 Nobel Prize with Ulf von Euler+ for advanced work on neurotransmitters. Their work led directly to the development of the class of anti-depressants that includes Prozac, Zoloft, and Paxil. Axelrod was also the co-developer, with Bernard Brodie, of the pain reliever acetaminophen (Tylenol).
- The discovery of endorphins and enkephalins by Solomon Snyder and Hans Kosterlitz, respectively.
- The discovery and characterization of growth factors by Rita Levi-Montalcini, Viktor Hamburger, and Stanley H. Cohen. Levi-Montalcini and Cohen shared the 1986 Nobel Prize for their identification and isolation of the nerve and epidermal growth factors, respectively. Growth factors (others of which were subsequently discovered) are protein molecular "signals" emitted by cells to control growth and differentiation in neighboring cells. Cohen also elucidated the biochemical pathways through which growth factors act after binding to receptors on the outer membranes of target cells. Growth factors play a large role in embryonic development and are thought to have potential medical application in nerve regeneration, accelerated wound healing, and in the understanding and control of tumor cell proliferation.
- The development of Warfarin (Coumadin) anticoagulant therapy by Shepard Shapiro. Warfarin is the most commonly used anticoagulant for the prevention of heart attacks and strokes. It is also one of the most widely prescribed medications in the world. It was discovered in 1946 by Karl Paul Link+, who developed it as a rat poison. Its identification and development for use in human anticoagulant therapy resulted from the work of Shapiro in the early 1950s. Previously, in the early 1940s, Shapiro had pioneered the clinical use of the anti-clotting agent methylene dicoumarin (dicoumarol), which was also discovered by Link+.
- The development of oral contraceptives by Gregory Pincus, Carl Djerassi, and Frank Colton.
- The development of the Salk and Sabin polio vaccines by Jonas Salk and Albert Sabin, respectively. The resulting worldwide near-eradication of polio is estimated to be preventing over one-half million new cases of lifelong paralysis each year. The discovery that the causative agent in polio was, in fact, a virus was made in 1908 by Karl Landsteiner and Erwin Popper.
- The development of the Hepatitis-B vaccine by Baruch Blumberg and Irving Millman. Blumberg received the 1976 Nobel Prize, in part for this work, which has saved an estimated six-to-seven million lives.
- The co-discovery of interferon by Alick Isaacs (in collaboration with Jean Lindenmann+). The large-scale production of recombinant interferon for medical use (a market currently in excess of $7 billion annually) is based largely on the work of Charles Weissmann and Sidney Pestka. Pestka received the US National Medal of Technology in 2001.
- The invention of cancer chemotherapy by Louis Goodman, Alfred Gilman, and Sidney Farber. In the early 1940s, Goodman and Gilman discovered the effectiveness of mechlorethamine ("nitrogen mustard") in the treatment of lymphatic malignancies. In the late 1940s, Farber produced the first chemically induced remissions from leukemia using the folic acid inhibitors aminopterin and methotrexate. Eventually mechlorethamine and methotrexate, used in combination with other anti-cancer agents (mechlorethamine is the "M" in MOPP) and radiation, would lead to cures for many previously fatal lymphomas and leukemias, respectively.
- The co-development of 6-MP (6-mercaptopurine) by Gertrude Elion, which used in combination with methotrexate and other drugs, has led to cures for most forms of childhood leukemia. Elion was also the co-developer of azathioprine (Imuran), the immunosuppressant that made organ transplants possible between individuals other than identical twins, and of acyclovir (Zovirax) for the treatment of herpes viral infections. Elion and George Hitchings+ received the 1988 Nobel Prize for their joint work.
- The discovery and development of cisplatin by Barnett Rosenberg, which has led to a complete reversal in the prognosis for testicular cancer, a malignancy that had almost always been fatal and is now roughly 90% curable. The chemotherapeutic protocols for the use of cisplatin in the treatment and cure of testicular cancer were developed by Lawrence Einhorn (who supervised the successful treatment of Tour de France champion Lance Armstrong+).
- The revolutionizing of radiation oncology by Henry Kaplan. Kaplan, the long-time head of radiology at Stanford Medical School, introduced the use of megavolt x-ray therapy in the 1950s, using linear accelerators (LINACs) to generate the required high-energy radiation. The medical LINAC is now the primary tool used in radiation oncology worldwide. Since the 1950s, an estimated forty million cancer patients have received such radiation treatments. (Currently about half of all cancer patients receive radiotherapy, primarily from LINAC-generated x-rays.) Even more significantly, Kaplan and his associates demonstrated that radiotherapy could be employed as a curative, rather than a merely palliative, cancer treatment. By the late 1970s, using radiotherapy protocols largely developed by Kaplan and his group, cure rates of 70%-80% were being achieved in patients with early-stage Hodgkin's lymphoma, which had previously been a uniformly fatal disease. Kaplan and Saul Rosenberg were the first to apply chemotherapy as an adjunct to radiation therapy in Hodgkin's disease, their regimens achieving initial cure rates in the late 1970s of 30%-40% in late-stage Hodgkin's disease. (With subsequent dramatic improvements in chemotherapy, the primary and secondary roles of radiation and chemotherapy have been reversed; cure rates are now 98% in early-stage Hodgkin's disease and 85% in advanced disease.) Kaplan and his associates were also responsible for the clinical trial studies that established the utility of the histopathologic classification scheme for non-Hodgkin's lymphomas proposed by Henry Rappaport in 1956. Although not widely accepted at the time, the Rappaport classification (with subsequent modifications) has become the most widely used in the staging and treatment of non-Hodgkin's lymphomas. For his pioneering work in radiation oncology, Kaplan became in 1969 the only biomedical scientist to be awarded the prestigious Atoms for Peace Award.
- The co-discovery of oncogenes by Harold Varmus and the elucidation of their role in human cancer by Robert Weinberg, Michael Wigler, Bert Vogelstein, Arnold Levine, and others. Varmus shared the 1989 Nobel Prize with Michael Bishop+ for this work.
- The discovery of retroviruses and their associated reverse transcriptase enzyme by David Baltimore and Howard Temin. Baltimore and Temin shared the 1975 Nobel Prize for their independent discovery of these viruses, which are implicated in AIDS and in some cancers, and whose existence disproved the "central dogma" of molecular biology.
- The development of AZT, protease inhibitors, and other drugs used in the treatment of AIDS by Jerome Horwitz, Samuel Broder, and Irving Sigal. AZT (Retrovir), which was originally synthesized by Horwitz for use as an anti-cancer agent, proved to be the first of the reverse transcriptase inhibitors found effective against HIV. Its identification as such in clinical trials was largely the result of efforts led by Broder, who also co-developed two other reverse transcriptase inhibitors (ddl and ddC). Sigal, who was senior director of molecular biology at Merck prior to his death in the 1988 bombing of Pan Am Flight 103 over Lockerbie, Scotland, was the first to demonstrate the effectiveness of protease inhibitors against HIV. Used in combination, the various reverse transcriptase and protease inhibitors have dramatically improved the outlook for AIDS patients.
- The co-invention of monoclonal antibodies by César Milstein. Milstein shared the 1984 Nobel Prize with Georges Köhler+ for this work.
- The elucidation of the biochemistry of cellular metabolism by Otto Warburg*, Otto Meyerhof, Gustav Embden, Jacob Parnas, Sir Hans Krebs, Fritz Lipmann, Herman Kalckar, Carl Neuberg, Gerty Cori, Konrad Bloch, and others. This includes much of the basic work on glycolysis (Embden-Meyerhof-Parnas pathway), the urea and citric acid cycles (Krebs cycles), the pentose phosphate pathway, and oxidative phosphorylation and the role of ATP, as well as significant contributions to the characterization of glycogen and fatty acid metabolism. Warburg, Meyerhof, Krebs, Lipmann, Cori, and Bloch all received Nobel Prizes.
- The invention of radioisotopic tracer techniques by George de Hevesy, Friedrich Paneth, Rudolf Schoenheimer, David Rittenberg, Martin Kamen, William Hassid, and Samuel Ruben. Hevesy and Paneth introduced the general technique, for which Hevesy won the 1943 Nobel Prize in chemistry; Kamen and Ruben discovered the long-lived carbon-14 radioisotope, which has had widespread application in biology (and is also the basis of radiocarbon dating). Melvin Calvin employed carbon-14 to elucidate the so-called dark reactions of photosynthesis, for which he was awarded the 1961 Nobel Prize in chemistry. (Others who made major contributions to the understanding of photosynthesis include the physicist George Feher and the Nobel laureates James Franck, Richard Willstätter, and Otto Warburg*.)
- The invention of radioimmunoassay by Rosalyn Yalow and Solomon Berson, which has revolutionized clinical and research practice in such fields as endocrinology and blood banking. The technique, which can be made exquisitely sensitive to trace amounts (nano- and pico-molar concentrations) of specific blood substances, is employed in measuring the levels of most hormones, screening donated blood for hepatitis-B virus, and in allergy and drug level testing. Yalow received the Nobel Prize in 1977 for this work. (Berson died in 1972.)
- The determination of key components of the experimental basis for the double helix model of DNA by Phoebus Levene, Erwin Chargaff, and Rosalind Franklin. In 1929, Levene discovered that DNA contains a sugar called deoxyribose and that it consists of a chain of what he termed "nucleotides," units composed of the deoxyribose sugar, a phosphate group, and one of four purine or pyrimidine bases. (The purine and pyrimidine molecular base constituents of DNA were discovered by the German biochemist Albrecht Kossel+.) Levene incorrectly concluded that all four bases were present in equal proportions. Chargaff, however, showed that the four bases were, in fact, present in specific pairwise ratios ([adenine]=[thymine] =/= [guanine]=[cytosine]), implying both structural base pairing and base coding of the genetic information. Finally, Rosalind Franklin's x-ray crystallographic studies of DNA provided the clear evidence for a double helical structure. The theoretical model of Watson+ and Crick+ was largely based on the experimental data provided by the aforementioned chemical and structural analyses.
- The breaking of the genetic code by Marshall Nirenberg. Nirenberg and Har Gobind Khorana+ shared the 1968 Nobel Prize for their independent determinations of the code.
- The co-discovery of the basic mechanisms of gene regulation by François Jacob, Walter Gilbert, Mark Ptashne, Andrew Fire, Gary Ruvkun, Howard Cedar, Aharon Razin, Michael Grunstein, and Michael Levine. Jacob shared the 1965 Nobel Prize with Jacques Monod+ for their joint work on the development of the operon-repressor model of gene regulation, which was experimentally confirmed by Gilbert, who isolated the lac operon repressor (but whose 1980 Nobel Prize in chemistry was in recognition of other work), and by Ptashne, whose exploration of the phage lambda switch greatly elucidated the process by which regulatory proteins (repressors) switch on and off gene expression. Fire co-discovered RNA interference, an RNA-based gene control process, for which he shared a Nobel Prize in 2006. A second RNA-based gene control mechanism involving short strands of RNA called microRNA was co-discovered by Ruvkun. Cedar and Razin shared the 2008 Wolf Prize in Medicine for their role in the discovery of DNA methylation, which together with histone modification, co-discovered by Grunstein, forms the basis of the new field of epigenetics, which deals with the molecular mechanisms involved in gene activation and suppression by environmental influences. Levine's work on the organization and function of the homeobox genes (which he co-discovered) "has done for animal development what the work on the lac operon and phage lambda did for understanding gene regulation in simpler organisms."11 The discovery of these master genes and their role in development has "shattered our previous notions of animal relationships and of what made animals different, and opened up a whole new way of looking at evolution."12
- The discovery of RNA and major contributions to the elucidation of its structure and function by Phoebus Levene, François Jacob, Sydney Brenner, Matthew Meselson, Sol Spiegelman, Sidney Altman, Sir Aaron Klug, Alexander Rich, Leslie Orgel, Andrew Fire, Gary Ruvkun, Roger Kornberg, Ada Yonath, and others. RNA was first identified as a nucleic acid distinct from DNA by Levene in the course of his seminal studies of the nucleic acids in the early part of the twentieth century. The concept of messenger RNA (mRNA) as an information-bearing DNA-to-ribosome intermediary in protein synthesis was first formulated by Jacob and Jacques Monod+ in 1961 and subsequently verified in experiments conducted by Brenner, Jacob, Meselson, and Spiegelman. The surprising catalytic properties of RNA were independently discovered by Altman and by Thomas Cech+, supporting the concept of a pre-biotic "RNA world," first proposed in 1963 by Rich and, independently a few years later, by Orgel and others. Definitive x-ray diffraction studies of RNA structure were first carried out independently by Klug and by Rich. Rich co-discovered double helical RNA and went on to discover the more general process of nucleic acid hybridization, whose further development would "become the technical foundation of modern molecular biology."13 Nucleic acid hybridization, e.g., lies at the heart of the polymerase chain reaction (PCR), which has revolutionized molecular biological research practice. Double helical RNA has recently been found to play a role in the control of gene expression in a process called RNA interference (RNAi), which was co-discovered by Fire. Another RNA control process regulating gene expression that involves very short, single-stranded RNA molecules called microRNA (miRNA) was co-discovered by Ruvkun. In recent years, sophisticated x-ray crystallographic analyses using synchrotron radiation sources were developed and employed by Kornberg to elucidate the structural dynamics of RNA-polymerase-directed DNA-to-mRNA transcription. Cryo-crystallographic and synchrotron radiation techniques were also developed and used by Ada Yonath to elucidate the structural dynamics of the process of translation, i.e., ribosomal protein synthesis, which involves mRNA, rRNA (ribosomal RNA), and tRNA (transfer RNA). These studies have revealed the ribosome to be, in fact, a very complex ribozyme (RNA enzyme). Jacob, Brenner, Altman, Klug, Fire, Kornberg, and Yonath were all awarded Nobel Prizes. Rich received the US National Medal of Science in 1995.
- The co-invention of gene splicing by Stanley N. Cohen. Cohen and Herbert Boyer's+ invention opened up the new field of genetic engineering. Cohen and Boyer+ were recipients of both the US National Medal of Science and the US National Medal of Technology. The latter award cited them "for their fundamental discovery of gene splicing techniques allowing replication in quantity of biomedically important new products, and beneficially transformed plant materials. This discovery of recombinant DNA technology has transformed the basic science of molecular biology and the biotechnology industry." Other major contributors to genetic engineering include Paul Berg, Walter Gilbert, and Daniel Nathans, all of whom received Nobel Prizes for their work.
- The discovery of nuclear magnetic resonance (NMR) by I. I. Rabi. Rabi received the 1944 Nobel Prize in physics for the demonstration of NMR in molecular beams. Felix Bloch shared the 1952 Nobel Prize in physics with Edward Purcell+ for their independent inventions of condensed matter NMR spectroscopy, which is important in biomolecular structure studies, as well as being the basis of the MRI diagnostic imaging technique.14
- The invention of the flexible endoscope by Basil Hirschowitz, which has revolutionized surgery by greatly reducing the complexity and invasiveness of many surgical procedures. (This work, undertaken in the mid-1950s, led to the production of the first glass-clad optical fibers, which later revolutionized modern telecommunications.)
- The co-invention of LASIK eye surgery by Samuel Blum (together with Rangaswamy Srinivasan+ and James Wynne+).
- The invention of phacoemulsification cataract surgery by Charles Kelman, which is the technique most widely used for cataract removal worldwide. (More than one hundred million such operations have been performed.) It has revolutionized the procedure by completely eliminating the need for hospitalization, which had previously averaged one week. Intraocular lens implantation, a regular adjunct to this surgery, was also pioneered by Kelman. Kelman was a recipient of both the US National Medal of Technology in 1992 and the Lasker Award for Clinical Medical Research in 2004 (posthumously).
- The invention of the cardiac defibrillator, external pacemaker, and cardiac monitor by Paul Zoll. Zoll (and, independently, Wilson Greatbatch+ ) later invented the implantable cardiac pacemaker. Michel Mirowski and Morton Mower were two of the four inventors of the automatic, implantable cardiac defibrillator.
- The invention of the Heimlich Maneuver by Henry Heimlich.
- The co-invention of the basic technique used worldwide for the controlled chlorination of drinking water supplies by Abel Wolman. Wolman and Linn Enslow's+ invention resulted in a dramatic reduction in the incidence of such waterborne diseases as cholera, dysentery, and typhoid fever; as such, it was arguably the single most important contribution to public health in the twentieth century. The number of lives thereby saved has been variously estimated as running into the hundreds of millions. Wolman received both the Lasker Award for Public Service in 1960 and the US National Medal of Science in 1974. The Abel Wolman Municipal Building, one of the largest buildings in Baltimore, MD (where he taught at Johns Hopkins), was named in his honor.
1. Manasseh ben Israel, The Hope of Israel (London, 1652), reprinted in Manasseh ben Israel's Mission to Oliver Cromwell, edited by Lucien Wolf (London, 1901, pp. 50-51).
2. Winston Churchill, History of the English-Speaking Peoples, Vol. 1 (Cassell, London, 1956).
3. Frank Heynick, Jews and Medicine: An Epic Saga (KTAV, Hoboken, NJ, 2002).
4. Ibid., p. 123.
5. Ibid., pp. 124,130-131.
6. Ibid., p. 13.
7. For statistics on Vienna, see Vienna and the Jews, 1867-1938: A Cultural History, by Steven Beller (Cambridge University Press, Cambridge, UK, 1989, pp. 36-37); on Berlin, see Germany Without Jews, by Bernt Engelmann (Bantam, New York, 1984, pp. 59-60).
8. Billy Woodward et al., Scientists Greater than Einstein: The Biggest Lifesavers of the Twentieth Century (Linden, Chicago, 2009, pp. 315, 321).
9. Heynick, Jews and Medicine: An Epic Saga, p.461.
10. See http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1119266.
11. See profile of Michael S. Levine by Karen Hopkin in The Scientist (Vol. 21, No. 3, 2007, p. 58).
12. Endless Forms Most Beautiful: The New Science of Evo Devo, by Sean Carroll (W.W. Norton, New York, 2005, p. 9).
13. See Discovering the RNA Double Helix and Hybridization, by Alexander Varshavsky in Cell (Vol. 127, 29 Deceember 2006, pp. 1295-1297).
14. The image reconstruction algorithm employed in all tomographic imaging is based on the Radon transform, which was invented by the Austrian mathematician Johann Radon+ in 1917. In his paper, Radon+ states that his result is based on the prior work of Hermann Minkowski and Paul Funk. Minkowski was the younger brother of the above-mentioned physiologist Oskar Minkowski. Paul Funk was a Czech-Jewish mathematician who survived internment in the Nazi concentration camp at Terezín (Theresienstadt). Gábor Frank obtained the first patents for x-ray tomographic scanning (1938 patents in both Hungary and Germany). Unlike Funk, he did not return from the camps. See Made in Hungary, by Andrew Simon (Simon Publications, Safety Harbor, FL, 1999, p. 266).
* Metchnikoff had a Jewish mother and a non-Jewish father; Sarett, Vane, and Warburg had Jewish fathers and non-Jewish mothers.
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