Overview of the events of 1920 in science
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The year 1920 in science and technology involved some significant events, listed below.
Astronomy and space science
Biology
Chemistry
- July 15 – F. W. Aston shows that the molar mass of chlorine (35.45) is a weighted average of the almost integral masses for the two isotopes 35Cl and 37Cl.[4]
History of science and technology
- Newcomen Society founded in the United Kingdom for the study of the history of engineering and technology.
Medicine
Meteorology
Physics
Psychology
Technology
Events
Births
- January 20 – John Maynard Smith, British theoretical evolutionary biologist and geneticist (died 2004).
- February 7 – An Wang, Chinese-born computer engineer (died 1990).
- February 3 – Henry Heimlich, American thoracic surgeon (died 2016).
- March 11 – Nicolaas Bloembergen, Dutch physicist, Nobel Prize laureate (died 2017).
- March 15 – E. Donnall Thomas, American physician, Nobel Prize laureate.
- March 22 – Katsuko Saruhashi Japanese geochemist (died 2007).
- March 23 – Barbara Low, English-born biochemist (died 2019).
- April 6 – Edmond H. Fischer, Swiss American biochemist, Nobel Prize laureate (died 2012)
- April 9 – Alex Moulton, English mechanical engineer and inventor (died 2012).
- May 12 – Tang Dingyuan, Chinese physicist (died 2019).
- June 17 – François Jacob, French biologist, Nobel Prize laureate (died 2013).
- July 10 – Owen Chamberlain, American physicist, Nobel Prize laureate (died 2006).
- July 11 – David Challinor, American biologist, naturalist and scientific administrator at the Smithsonian Institution (died 2008).
- July 25 – Rosalind Franklin, English crystallographer (died 1958).
- July 30 – Marie Tharp, American geologist (died 2006).
- August 15 – Eleonore Trefftz, German molecular and nuclear physicist (died 2017).
- August 22 – Denton Cooley, American cardiac surgeon (died 2016).
- September 29 – Peter D. Mitchell, English chemist, Nobel Prize laureate (died 1992).
- October 29 – Baruj Benacerraf, Venezuelan immunologist, Nobel Prize laureate (died 2011).
- November 13 – Abraham Lilienfeld, American epidemiologist (died 1984).
- December 6 – George Porter, English chemist, Nobel Prize laureate (died 2002).
Deaths
- January 3 – Zygmunt Janiszewski, Polish mathematician (born 1888).
- January 6 – Hieronymus Georg Zeuthen, Danish mathematician (born 1839).
- March 13 – Charles Lapworth, English geologist (born 1842).
- March 26 – William Chester Minor, American surgeon (born 1834).
- March 31 – Paul Bachmann, German mathematician (born 1837).
- April 3 – Mary Katharine Brandegee, American botanist (born 1844).
- April 8 – John Brashear, American astronomer (born 1840).
- April 9 – Moritz Cantor, German historian of mathematics (born 1829).
- April 26 – Srinivasa Ramanujan, Indian mathematician (born 1887).
- June 20
- August 10 – Ádám Politzer, Hungarian otologist (born 1835).
- August 12 – Hermann Struve, Russian-born astronomer (born 1854).
- August 16 – Norman Lockyer, English astronomer (born 1836).
- August 31 – Wilhelm Wundt, German physiologist and psychologist (born 1832).
- October 17 – Reginald Farrer, English botanist (born 1880).
- November 4 – Ludwig Struve, Russian astronomer (born 1858).
- December 3 – William de Wiveleslie Abney, English astronomer and photographer (born 1843).
References
- ^ "Robert H. Goddard Story". astronauticsnow. Retrieved 2019-07-19.
- ^ Michelson, Albert Abraham; Pease, Francis G. (1921). "Measurement of the diameter of alpha Orionis with the interferometer". Astrophysical Journal (PDF). 53 (5): 249–59. Bibcode:1921ApJ....53..249M. doi:10.1086/142603.
- ^ Based on its genetic history. "HIV pandemic's origins located". University of Oxford. 2014-10-03. Retrieved 2014-10-05.
- ^ Aston, F. W. (1920). "Isotopes and Atomic Weights". Nature. 105 (2646): 617–619. doi:10.1038/105617a0. S2CID 4267919. Retrieved 2023-04-25.
- ^ Mannich, C.; Löwenheim, Helene (1920). "Ueber zwei neue Reduktionsprodukte des Kodeins". Archiv der Pharmazie. 258 (2–4): 295–316. doi:10.1002/ardp.19202580218.
- ^ Théorie mathématique des phénomènes thermiques produits par la radiation solaire (Paris).
- ^ Griffith, A. A. (February 1920). "The Phenomenon of Rupture and Flow in Solids". Philosophical Transactions of the Royal Society. A221 (582–593): 163–98. Bibcode:1921RSPTA.221..163G. doi:10.1098/rsta.1921.0006. hdl:2027/uiug.30112007702761. JSTOR 91192.
- ^ "What happened on July 25". Dates in History. Retrieved 2012-01-09.
- ^ Glinsky, Albert (2000). Theremin: Ether Music and Espionage. Urbana: University of Illinois Press. p. 26. ISBN 0-252-02582-2. Retrieved 2012-01-09.
- ^ Asimov, Isaac (September 1979). "The Vocabulary of Science Fiction". Asimov's Science Fiction.
- ^ Zunt, Dominik (2004). "Who did actually invent the word "robot" and what does it mean?". Karel Čapek (1890–1938). Archived from the original on 2012-02-04. Retrieved 2011-12-06.