- E. D. Hughes, born 1906, researcher in physical organic chemistry.
- Jerome Karle, born 1918, Nobel Prize in Chemistry (1985).
- Charles Baskerville, born 1870, developed processes for refining and hydrogenation of oils, plastic compositions and reinforced lead; researched anesthetic chemistry.
- Dudley R. Herschbach, born 1932, developed molecular beams to study products of collisions, Nobel Prize in Chemistry (1986).
- Mary L. Good, born 1931, researcher in inorganic chemistry; industrial chemist; president of American Chemical Society (1987–1988).
- W. R. Grace and Co. incorporated in 1899.
- L. B. Magnusson and T. J. La Chappelle isolated the first microscopic quantity of a compound of neptunium (Np, 93) at University of Chicago in 1944.
- Lockheed incorporated in 1932.
- Nathaniel Howell Furman, born 1892, researched analytical separation of uranium.
- Etienne-Louis Malus, born 1775, discovered polarization of light by reflection (1809); discovered theory of double refraction of light in crystals (1810).
- Johannes Wislicenus, born 1835, proposed geometric isomers; synthesized acetoacetic esters.
- Frederick G. Keyes, born 1885, researched thermodynamic properties of matter, kinetic theory, and application of thermodynamics to equilibria.