|1.||Art, full name Arthur Tatum. 1910--56, US jazz pianist|
|2.||Edward Lawrie. 1909--75, US biochemist, who showed how genes regulate biochemical processes in an organism and demonstrated that bacteria reproduce sexually; Nobel prize for physiology or medicine (1958) with Beadle and Lederberg|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|a chattering or flighty, light-headed person.|
Tatum Ta·tum (tā'təm), Edward Lawrie. 1909-1975.
American biochemist. Through his genetic research with bacteria, he showed how genes transmit hereditary characteristics and shared a 1958 Nobel Prize for his discoveries.