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Black, Joseph

(Encyclopedia)Black, Joseph, 1728–99, Scottish chemist and physician, b. France. He was professor of chemistry at Glasgow (1756–66) and from 1766 at Edinburgh. He is best known for his theories of latent heat a...

Hopkinsville

(Encyclopedia)Hopkinsville, city (2020 pop. 31,180), seat of Christian co., SW Ky.; inc. 1804. Fertile agricultural lands surround Hopkinsville, which is a leading to...

Taylorville

(Encyclopedia)Taylorville, city (1990 pop. 11,133), seat of Christian co., central Ill., in a farm, coal, and oil area; inc. 1882. There is agriculture (wheat, corn, soybeans, and sorghum), as well as soybean proce...

Haldane, John Burdon Sanderson

(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...

Giacconi, Riccardo

(Encyclopedia)Giacconi, Riccardo, 1931–2018, Italian-American astrophysicist, b. Milan, Italy, Ph.D. Univ. of Milan 1954. He was a researcher at American Science and Engineering Corporation (1959–73), professor...

Mohole, Project

(Encyclopedia)Mohole, Project, program proposed in 1957 to drill a hole down to the boundary between the crust and the mantle, known as the Mohorovičić discontinuity at about 4 to 43 mi (7 to 70 km) below the ear...

Bain, Alexander

(Encyclopedia)Bain, Alexander, 1818–1903, Scottish philosopher and psychologist. He was educated at Marischal College, Aberdeen, where he later taught for three years. He taught one year (1845) at Anderson's Univ...

Weinberg, Steven

(Encyclopedia)Weinberg, Steven, 1933–, American nuclear physicist, b. New York City, Ph.D. Princeton, 1957. Since 1982 he has been a professor at the Univ. of Texas at Austin, having previously been on the facult...

Duchesne, Louis Marie Olivier

(Encyclopedia)Duchesne, Louis Marie Olivier lwē märēˈ ōlēvyāˈ düshĕnˈ [key], 1843–1922, French Roman Catholic ecclesiastic, educator, church historian, and archaeologist. He made a scientific expeditio...

confirmation

(Encyclopedia)confirmation, Christian rite in which the initiation into the church that takes place by baptism is confirmed. In the Roman Catholic and Orthodox Eastern churches, it is a sacrament by which a Christi...