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Ciechanover, Aaron

(Encyclopedia)Ciechanover, Aaron, 1947–, Israeli biochemist, M.D. Hebrew Univ.–Hadassah Medical School, Jerusalem, 1974; D.Sc. Technion (Israel Institute of Technology), Haifa, 1982. He has been on the faculty ...

Cohen, Stanley

(Encyclopedia)Cohen, Stanley, 1922–2020, American biochemist, b. New York City, Ph.D. Univ. of Michigan, 1948. Cohen did his most important work at Washington Univ. with Rita Levi-Montalcini in the 1950s. Studyin...

Hershko, Avram

(Encyclopedia)Hershko, Avram, 1937–, Israeli biochemist, M.D. Hebrew Univ.–Hadassah Medical School, Jerusalem, 1965, Ph.D. 1969. Hershko has been a professor at the Rappaport Faculty of Medicine at the Technion...

Frederick III, emperor of Germany and king of Prussia

(Encyclopedia)Frederick III, 1831–88, emperor of Germany and king of Prussia (Mar.–June, 1888), son and successor of William I. In 1858 he married Victoria, the princess royal of England, who exerted considerab...

vitiligo

(Encyclopedia)vitiligo, condition that causes irregular patches of skin to lose pigment and turn white. The exact cause is unknown, but it occurs when the immune system attacks and destroys melanocytes, the cells t...

castration

(Encyclopedia)castration, removal of the sex glands of an animal, i.e., testes in the male, or ovaries and often the uterus in the female. Castration of the female animal is commonly referred to as spaying. Castrat...

Castro, Rosalía de

(Encyclopedia)Castro, Rosalía de käsˈtrō [key], 1837–85, Spanish poet and novelist. Castro's book of verse Cantares gallegos (1863) was the first important poetry in Galician since the 13th cent.; it reflect...

Weaver, Warren

(Encyclopedia)Weaver, Warren, 1894–1978, American scientist, b. Reedsburg, Wis., grad. Univ. of Wisconsin. He taught mathematics at Wisconsin (1920–32), was director of the division of natural sciences at the R...

Thomas, Lewis

(Encyclopedia)Thomas, Lewis, 1913–93, American physician and biologist, b. Flushing, New York. In his youth he often accompanied his physician father on his rounds and decided early on to be a doctor or a writer....

Thomas, Edward Donnall

(Encyclopedia)Thomas, Edward Donnall, 1920–2012, American surgeon, b. Mart, Tex., M.D. Harvard, 1946. At the Univ. of Washington from 1963 (emeritus from 1990), Thomas performed (1969) the first successful bone m...