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Picard, Jean

(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...

Shapley, Harlow

(Encyclopedia)Shapley, Harlow shăpˈlē [key], 1885–1972, American astronomer, b. Nashville, Mo., grad. Univ. of Missouri, 1910, Ph.D. Princeton, 1913. He was astronomer at Mt. Wilson Observatory from 1914 to 19...

Baade, Walter

(Encyclopedia)Baade, Walter välˈtər bäˈdə [key], 1893–1960, German-born American astronomer. From 1919 to 1931 he was on the staff of the Hamburg observatory; from 1931 to 1958, at the Mt. Wilson observator...

Twachtman, John Henry

(Encyclopedia)Twachtman, John Henry twäktˈmən [key], 1853–1902, American landscape painter and etcher, b. Cincinnati. He studied in Cincinnati under Duveneck and in Munich and Paris, but was influenced princip...

Encke, Johann Franz

(Encyclopedia)Encke, Johann Franz yōˈhän fränts ĕngˈkə [key], 1791–1865, German astronomer. He was assistant (1816–22) and director (1822–25) of the observatory at Seeberg (near Gotha) and director (fr...

Piazzi, Giuseppe

(Encyclopedia)Piazzi, Giuseppe jo͞ozĕpˈpā pyätˈtsē [key], 1746–1826, Italian astronomer, a Theatine priest from 1769. He became (1781) professor of mathematics at the Univ. of Palermo, supervised construct...

Jaggar,Thomas Augustus, Jr.

(Encyclopedia)Jaggar,Thomas Augustus, Jr., 1871–1953, American geologist and volcanologist, b. Philadelphia, Ph.D. Harvard, 1897. One of the team of U.S. scientists (1902) who surveyed the eruptions in the West I...

Fornés, María Irene

(Encyclopedia)Fornés, María Irene, 1930–2018, Cuban-American playwright and director; she emigrated from Cuba with her family after her father's death in 1945. An early experimental work, Promenade (1965), a mu...

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