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Mendel, Gregor Johann

(Encyclopedia) Mendel, Gregor JohannMendel, Gregor Johanngrāˈgôr yōˈhän mĕnˈdəl [key], 1822–84, Austrian monk noted for his experimental work on heredity. He entered the Augustinian monastery in Brno…

Acknowledgments

The first five editions of The Columbia Encyclopedia were published in 1935, 1950, 1963, 1975, and 1993. All editions owe a debt of gratitude to Clark Fisher Ansley, the editor of the first edition,…

The Supreme Court: Taney Court, 1837 to 1864

Taney Court, 1837 to 1864The Supreme CourtEbbs and Flows of Court LeadershipTaney Court, 1837 to 1864Chase Court, 1864 to 1873Waite Court, 1874 to 1888Fuller Court, 1888 to 1910White Court,…

Huntington's disease

(Encyclopedia) Huntington's disease, hereditary, acute disturbance of the central nervous system usually beginning in middle age and characterized by involuntary muscular movements and progressive…

Smith, George Pearson

(Encyclopedia) Smith, George Pearson, 1941–, American biologist, b. Norwalk, Ct., Ph.D. Harvard, 1970. Smith has been a professor at the Univ. of Missouri, Columbia, since 1975 (emeritus since 2015…

operon

(Encyclopedia) operon, in genetics, site on a bacterial chromosome containing genes that control protein synthesis (structural genes) together with a gene that determines whether the structural genes…

Prokofiev, Sergei Sergeyevich

(Encyclopedia) Prokofiev, Sergei SergeyevichProkofiev, Sergei Sergeyevichsyĭrgāˈ syĭrgāˈəvĭch prōkôfˈēĕf [key], 1891–1953, Russian composer, pianist, and conductor. Prokofiev achieved wide popularity…

genetics

(Encyclopedia) genetics, scientific study of the mechanism of heredity. While Gregor Mendel first presented his findings on the statistical laws governing the transmission of certain traits from…