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Laughlin, Robert Betts

(Encyclopedia)Laughlin, Robert Betts, 1950–, American physicist, b. Visalia, Calif., Ph.D. Massachusetts Institute of Technology, 1979. Laughlin was a researcher at Lawrence Livermore National Laboratory from 198...

Leslie, Charles Robert

(Encyclopedia)Leslie, Charles Robert lĕzˈlē [key], 1794–1859, English painter and writer, b. London. Educated in the United States, he returned to England to study art and to work. He painted incidents from li...

Lewis, John Robert

(Encyclopedia)Lewis, John Robert, 1940–2020, African-American politician and civil-rights leader, b. near Troy, Ala., B.A. American Baptist Theological Seminary, 19...

Lowie, Robert Harry

(Encyclopedia)Lowie, Robert Harry, or Robert Heinrich Lowie lōˈē [key], 1883–1957, American anthropologist, b. Vienna, grad. College of the City of New York, 1901, Ph.D. Columbia, 1908. He was on the staff of ...

Knolles, Sir Robert

(Encyclopedia)Knolles or Knollys, Sir Robert both: nōlz [key], d. 1407, English military commander in the Hundred Years War. He became a leader of a company of mercenaries, fought against Bertrand Du Guesclin, who...

Kocharian, Robert Sedraki

(Encyclopedia)Kocharian or Kocharyan, Robert Sedraki, 1954–, Armenian political leader. He served (1972–74) in the Soviet army and worked as a mechanical engineer (1977–81) before graduating (1982) from the Y...

Kirchhoff, Gustav Robert

(Encyclopedia)Kirchhoff, Gustav Robert go͝osˈtäf rōˈbĕrt kĭrkhˈhôf [key], 1824–87, German physicist. He served as professor of physics at the universities of Breslau (1850–54), Heidelberg (1854–74), ...

Klein, Lawrence Robert

(Encyclopedia)Klein, Lawrence Robert, 1920–2013, American economist, b. Omaha, Nebr., Ph.D Massachusetts Institute of Technology, 1944. He was active in academia, government, and private research institutes throu...

Laird, Melvin Robert

(Encyclopedia)Laird, Melvin Robert, 1922–2016, American politician, U.S. secretary of defense (1969–73), b. Omaha, Nebr. After serving (1942–46) in the navy during World War II, he entered politics as a Repub...

Porter, Rodney Robert

(Encyclopedia)Porter, Rodney Robert, 1917–85, British biochemist, Ph.D. Cambridge, 1948. He was a researcher at the National Institute of Medical Research, England (1949–1960), and a professor at St. Mary's Hos...