Physcial chemist

inventor (ph acidity testing meter)

Nobel prize winner 1970 for developement against world hunger. Born: 03/25/1914

Secretary of the Smithsonian (1953-1964)

Founder of 'Common Cause,' government watchdog group

Author, co-founder, with William Hewlett, of Hewlett-Packard

Galician-born American physicist and Nobel laureate born 29 July 1898. Worked on the 'Manhattan Project' (Trinity). Nobel laureate 1944 for his discovery of nuclear magnetic resonance.