October 30th
1817 Hermann F. M. Kopp, researcher on atomic and molecular volume, crystallography, boiling points, specific heats, and dissociation; historian of physical chemistry, was born.
1895 Gerhard Domagk discovered the properties of prontosil, orange-red dye containing sulfanilamide; reported that isoniazid had anti-tubercular properties, 1952,(opened age of chemotherapy); Nobel Prize (1939) for the discovery of the antibacterial effects of prontosil, was born.