Date | Text | |
---|---|---|
10 May 1898
Vending machine law |
Vending machine law In 1898, the first vending machine law in the U.S. was enacted in Omaha, Neb. |
|
10 May 1898
Rudolf Schoenheimer |
birth Rudolf Schoenheimer Born 10 May 1898; died 11 Sep 1941 at age 43. German-American biochemist whose technique of “tagging” molecules with radioactive isotopes made it possible to trace the paths of organic substances through animals and plants and revolutionized metabolic studies. |