|Ernst Julius Cohen|
|Born||March 7, 1869
|Died||March 6, 1944 (aged 74)
|Doctoral advisor||Jacobus Henricus van 't Hoff|
|Notable awards||Fellow of the Royal Society|
Ernst Julius Cohen ForMemRS (March 7, 1869 – March 6, 1944) was a Dutch Jewish chemist known for his work on the allotropy of metals. Cohen studied chemistry under Svante Arrhenius in Stockholm, Henri Moissan at Paris, and Jacobus van't Hoff at Amsterdam. In 1893 he became Van't Hoff's assistant and in 1902 he became professor of Physical Chemistry at the University of Utrecht, a position which he held until his retirement in 1939. Throughout his life, Cohen studied the allotropy of tin. Cohen’s areas of research included polymorphism of both elements and compounds, photographic chemistry, electrochemistry, pizeochemistry, and the history of science. He published more than 400 papers and numerous books.
According to Margit Szöllösi-Janze, in her book, Science in the Third Reich, Cohen "put great efforts into restoring the relationships of Western European scientists with their German colleagues after the First World War." He was killed March 5, 1944 in a gas chamber at Auschwitz concentration camp.
- "J. H. van 't Hoff, his life and work", 1912
- "Impressions of the Land of Benjamin Franklin", 1928
- Joodsmonument website
- Donnan, F. G. (1948). "Ernst Julius Cohen. 1869-1944". Obituary Notices of Fellows of the Royal Society. 5 (16): 666. JSTOR 768764. doi:10.1098/rsbm.1948.0005.
- Moesveld, A. L. T. (1948). "The scientific work of Ernst Cohen". Journal of Chemical Education. 25 (6): 308–346. doi:10.1021/ed025p308.
- "Ernst Julius Cohen (1869 - 1944)". Royal Netherlands Academy of Arts and Sciences. Retrieved 26 July 2015.
- Szöllösi-Janze, Margit (2001). Science in the Third Reich. Berg Publishers. p. 255. ISBN 978-1-85973-421-6.
-  Weintraub, B. (2003). Tin Disease and Ernst Julius Cohen (1869-1944); Chemistry in Israel, Bull. Isr. Chem. Soc., Issue 9, Apr. 2002, p 31-32.
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