 1820 - William Rankine born: thermodynamics of steam engines; absolute temperature scale (Rankine scale). |
| 1888 - Herbert S. Gasser born: electrophysiology of nerves; Nobel Prize (Medicine), 1944. |
| 1891 - John H. Northrop born: purification of enzymes; fermentation process for acetone manufacture; Nobel Prize, 1946. |
| 1907 - American Cyanamid (now part of BASF Agricultural Products) organized. |
| 1936 - Robert R. Williams of Merck, Sharp & Dohme Research Laboratories announced synthesis of vitamin B1. |
sources: http://webserver.lemoyne.edu/faculty/giunta/week.html, http://todayinsci.com
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