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Menzel, Donald Howard

(Encyclopedia)Menzel, Donald Howard, 1901–76, American astrophysicist, b. Florence, Colo. From 1926 to 1932 he was with the Lick Observatory in Calif. In 1932 he joined the faculty at Harvard, where he became pro...

Knuth, Donald Ervin

(Encyclopedia)Knuth, Donald Ervin no͞oth, kəno͞othˈ [key], 1938–, American mathematician and computer scientist, b. Milwaukee, Wis., grad. Case Institute of Technology (B.S. and M.S., 1960) and California Ins...

Smith, Donald Alexander

(Encyclopedia)Smith, Donald Alexander: see Strathcona and Mount Royal, Donald Alexander Smith, 1st Baron. ...

Regan, Donald Thomas

(Encyclopedia)Regan, Donald Thomas rēˈgən [key], 1918–2003, U.S. government official and financier, b. Cambridge, Mass. A graduate of Harvard (B.A. 1940), he went to work (1946) at a brokerage house that becam...

Trump, Donald John

(Encyclopedia)Trump, Donald John, 1946–, 45th President of the United States (2017–21), b. New York City. Prior to his election as president in 2016, Trump was a ...

Rumsfeld, Donald Henry

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

Ryder, Donald P.

(Encyclopedia)Ryder, Donald P., , 1926-2021, African-American architect, b. Springfield, Oh., Univ. of Illinois (BA, 1951). Ryder was raised in Dayton, Ohio. He serve...

Ramotar, Donald Rabindranauth

(Encyclopedia)Ramotar, Donald Rabindranauth, 1950–, Guyanese political leader. An economist, he joined the People's Progressive party (PPP) in 1967, was elected to its central committee (1979) and executive commi...

Richberg, Donald Randall

(Encyclopedia)Richberg, Donald Randall, 1881–1960, American public official, b. Knoxville, Tenn. He practiced law in Chicago, served as attorney for the city and for Illinois, and became nationally known after sp...

Clark, Tom Campbell

(Encyclopedia)Clark, Tom Campbell, 1899–1977, U.S. attorney general (1945–49), associate justice of the U.S. Supreme Court (1949–67), b. Dallas, Tex.; father of Ramsey Clark. He received his law degree from t...