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Hartley, David

(Encyclopedia)Hartley, David, 1705–57, English physician and philosopher, founder of associational psychology. In his Observations on Man (2 vol., 1749) he stated that all mental phenomena are due to sensations a...

Baltimore, David

(Encyclopedia)Baltimore, David bôlˈtĭmôr [key], 1938–, American microbiologist, b. New York City, Ph.D. Rockefeller Univ., 1964. He conducted (1965–68) virology research at the Salk Institute before becomin...

Beaton, David

(Encyclopedia)Beaton or Bethune, David both: bēˈtən [key], 1494–1546, Scottish churchman, cardinal of the Roman Catholic Church. He was made cardinal in 1538 and succeeded his uncle, James Beaton, as archbisho...

Lyndsay, Sir David

(Encyclopedia)Lyndsay, Sir David: see Lindsay, Sir David. ...

David, Pierre-Jean

(Encyclopedia)David, Pierre-Jean: see David d'Angers. ...

Saint David's Head

(Encyclopedia)Saint David's Head, Wales: see under Saint David's. ...

Wiggin, Kate Douglas (Smith)

(Encyclopedia)Wiggin, Kate Douglas (Smith), 1856–1923, American author and educator, b. Philadelphia. In San Francisco she organized the first free kindergartens on the Pacific coast (1878) and with her sister es...

Thomas, David Alfred

(Encyclopedia)Thomas, David Alfred: see Rhondda, David Alfred Thomas, 1st Viscount. ...

George, David Lloyd

(Encyclopedia)George, David Lloyd: see Lloyd George, David, 1st Earl Lloyd-George of Dwyfor. ...

Mawson, Sir Douglas

(Encyclopedia)Mawson, Sir Douglas, 1882–1958, Australian antarctic explorer and geologist, b. England. His first geographical expedition was to the New Hebrides Islands as a geologist in 1903. As a member of the ...