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Week 9 � Feb. 26 � March 4 (Archive)

• Herbert H. Dow, born 1866, founder of Dow Chemical Company.
• Giulio Natta, born 1903, discovered and elucidated stereospecific polymerization and stereoregular polymers; developed commercially important polymerization processes; (1963).
• William J. Sparks, born 1905, coinventor of synthetic butyl rubber.
• Ahmed H. Zewail, born 1946, (1999).

• Alice Hamilton, born 1869, founder of occupational medicine; first woman professor at Harvard Medical School; first woman to receive Lasker Award in public health.

• Edmond FrÉmy, born 1814, prepared anhydrous hydrogen fluoride; researched plumbates, stannates, ferrates, coloring of flowers and saponification of fats.
• Philip Hench, born 1896, (1950).
• Linus C. Pauling, born 1901, researcher on structure of molecules, valency, and resonance; (1954); (1962).

• John McLean, born 1771, first professor of chemistry at Princeton University; established the first U. S. Laboratory of chemistry at Princeton University.
• Edward Franklin, born 1862, researcher in chemistry of nitrogen system of compounds.
• Antoine-Henri Becquerel discovered radioactivity of uranite in pitchblende in 1896.
• Archer J. P. Martin, born 1910, (1952).

• Phillippe A. Barbier, born 1848, synthesized first organomagnesium compound.
• H. Jermain Creighton, born 1886, researcher in electro-organic chemistry; developed industrial process for electroreduction of glucose to sorbitol and mannitol.

• Andreas S. Marggraf, born 1709, isolated zinc from calamine; distinguished between potash and soda by flame test; found alumina in clay; discovered beet sugar in beetroot.
• Gregory P. Baxter, born 1876, codetermined atomic weight of lead (1935), determination led to estimations of age of minerals.
• Elmer V. McCollum, born 1879, researcher in nutrition and growth.
• Arthur Kornberg, born 1918, researcher on the synthetic pathways by which nucleic acids are produced; (1959).

• Richard C. Tolman, born 1881, demonstrated electron to be charge-carrying particle in flow of electricity in metals.