Week 42
Week 42: Oct. 15 鈥� 21 (Archive)
October 15
- Evangelista Torricelli, born 1608, first to create sustained vacuum; discovered principle of a barometer.
October 16
- William T. G. Morton demonstrated use of ether as anesthetic at Massachusetts General Hospital in 1846.
- Henry C. Sherman, born 1875, researcher on vitamins.
October 17
- Lev A. Chugaev, born 1873, developed complexing agents for analysis; studied inorganic chemistry of metal complexes and xanthate pyrolysis.
- Unocal incorporated as Union Oil Co. of California in 1890.
October 18
- Christian F. Sch枚nbein, born 1799, discovered ozone (1840) and collodion (1846); researcher on hydrogen peroxide and guncotton.
- Harvey W. Wiley, born 1844, the "Father of Pure Food Law."
- Hercules incorporated in 1912.
October 19
- Marguerite Perey, born 1909; in 1939, discovered francium (Fr, 87).
October 20
- James Chadwick, born 1891; in 1932, discovered the neutron; (1935).
October 21
- Georg E. Stahl, born 1660, researcher on oxidation and reduction; prepared glacial acetic acid; responsible for theory of phlogiston with Johann J. Becher.
- Alfred B. Nobel, born 1833, invented dynamite and established the Nobel Prizes.
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