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Walker, Robert John

(Encyclopedia)Walker, Robert John, 1801–69, American public official, b. Northumberland, Pa. A lawyer, he practiced for a time in Pittsburgh. In 1826 he moved to Natchez, Miss. As a Democratic Senator (1836–45)...

Mayer, Julius Robert von

(Encyclopedia)Mayer, Julius Robert von, 1814–78, German physician and physicist, studied medicine at Tübingen, Munich, and Paris. From a consideration of the generation of animal heat, he was led to determine th...

Engle, Robert Fry, 3d

(Encyclopedia)Engle, Robert Fry, 3d, 1942–, American economist, b. Syracuse, N.Y., Ph.D. Cornell, 1969. He has been on the faculty of the Massachusetts Intitute of Technology (1969–75), Univ. of California, San...

Williams, Robert R., Jr.

(Encyclopedia)Williams, Robert R., Jr., 1886–1965, American chemist, b. India, grad. Univ. of Chicago (B.S., 1907); brother of Roger John Williams. Research undertaken in 1910, while he was chemist (1908–15) at...

Shiller, Robert James

(Encyclopedia)Shiller, Robert James, 1946–, American economist, b. Detroit, grad. Univ. of Michigan (B.A., 1967), Massachusetts Institute of Technology (S.M., 1968; Ph.D., 1972). A professor at Yale since 1982, S...

Gates, Robert Michael

(Encyclopedia)Gates, Robert Michael, 1943–, American government official, U.S. secretary of defense (2006–11), b. Wichita, Kans. A circumspect and pragmatic career intelligence officer, he joined (1966) the Cen...

Lucas, Robert Emerson, Jr.

(Encyclopedia)Lucas, Robert Emerson, Jr., 1937–2023, American economist, b. Yakima, Wash., Ph.D. Univ. of Chicago, 1964. Lucas taught at Carnegie Mellon Univ. (1963...

Paine, Robert Treat, 3d

(Encyclopedia)Paine, Robert Treat, 3d, 1933–2016, American ecologist, b. Cambridge, Mass., Ph.D. Univ. of Michigan, 1961. He was on the faculty of the Univ. of Washington from 1962 to 1998. Paine's major contribu...