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Cayley, Sir George

(Encyclopedia)Cayley, Sir George, 1773–1857, British scientist. He is recognized as the founder of aerodynamics on the basis of his pioneering experiments and studies of the principles of flight. He experimented ...

Rumsfeld, Donald Henry

(Encyclopedia)Rumsfeld, Donald Henry, 1932–2021, American government official, b. Chicago, Princeton Univ. (B.A., 1954). After graduating college, Rumsfeld enliste...

Cameron of Lochiel, Donald

(Encyclopedia)Cameron of Lochiel, Donald lŏkh-ēlˈ [key], 1695?–1748, Scottish clan chieftain, known as the Gentle Lochiel; grandson of Sir Ewen Cameron. He was the first of the major chieftains to join Charles...

McKay, Donald

(Encyclopedia)McKay, Donald məkāˈ, məkīˈ [key], 1810–80, American shipbuilder, b. Nova Scotia. He opened his own shipyard in Newburyport, Mass., in 1841, then moved to Boston in 1845. He grew celebrated as ...

Hall, Donald

(Encyclopedia)Hall, Donald (Donald Andrew Hall, Jr.), 1928–2018, American poet, b. New Haven, Conn., grad. Harvard (B.A., 1951), Oxford (1953). He published more than 50 books, ranging from poetry, short stories,...

Barthelme, Donald

(Encyclopedia)Barthelme, Donald bärtˈəlmē [key], 1931–89, American writer, b. Philadelphia. The son of an architect, he grew up in Texas, moved (1962) to New York City, worked as a curator and an editor, and ...

Tusk, Donald

(Encyclopedia)Tusk, Donald to͞osk [key], 1957–, Polish political leader, prime minister of Poland (2007–14), b. Gdańsk. After studying history at Gdańsk Univ., he became active in the Solidarity movement in ...

Winnicott, Donald

(Encyclopedia)Winnicott, Donald, 1896–1971, British psychoanalyst, pediatrician, and child psychiatrist. He worked at the Paddington Green Children's Hospital in London for over 40 years, beginning in 1923, where...

Cargill, Donald

(Encyclopedia)Cargill, Donald, 1619?–1681, Scottish Covenanter. He was a minister in Glasgow from c.1655 until 1662, when he was expelled for denouncing the Restoration and resisting the establishment of the epis...

Mackenzie, Sir William

(Encyclopedia)Mackenzie, Sir William, 1849–1923, Canadian railroad builder and financier, b. Ontario. In the early 1870s he became a railroad contractor. He constructed portions of the Canadian National and the C...