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Locke, Alain LeRoy

(Encyclopedia)Locke, Alain LeRoy, 1885–1954, American writer, educator, philosopher, and cultural critic, b. Philadelphia, grad. Harvard (A.B., 1907; Ph.D., 1918), first African-American Rhodes Scholar at Oxford ...

Lowell Observatory

(Encyclopedia)Lowell Observatory, astronomical observatory located in Flagstaff, Ariz.; it was founded in 1894 by Percival Lowell, the American astronomer who popularized the idea that Mars might support intelligen...

Toledo , city, United States

(Encyclopedia)Toledo təlēˈdō [key], city (1990 pop. 332,943), seat of Lucas co., NW Ohio, on the Maumee River at its junction with Lake Erie; inc. 1837. With a natural harbor and its railroads and highways, Tol...

Huron, Lake

(Encyclopedia)Huron, Lake hyo͝orˈänˌ [key], 23,010 sq mi (59,596 sq km), 206 mi (332 km) long and 183 mi (295 km) at its greatest width, between Ont., Canada, and Mich.; second largest of the Great Lakes. It ha...

Frost, Robert

(Encyclopedia)Frost, Robert, 1874–1963, American poet, b. San Francisco. Perhaps the most popular and beloved of 20th-century American poets, Frost wrote of the character, people, and landscape of New England in ...

Ono, Yoko

(Encyclopedia) Ono, Yoko, 1933- , Japanese-American conceptual artist, songwriter, and recording artist, b. Tokyo, Japan. Ono’s father was a banker and her mother ...

Kramer, Larry

(Encyclopedia)Kramer, Larry (Lawrence David), 1935-2020 American gay-rights activist and playwright, b. Bridgeport, Ct., Yale Univ. (B.A., 1957). After graduating co...

technetium

(Encyclopedia)technetium tĕknēˈshēəm [key] [Gr. technetos=artificial], artificially produced radioactive chemical element; symbol Tc; at. no. 43; mass no. of most stable isotope 98; m.p. 2,200℃; b.p. 4,877...

seaborgium

(Encyclopedia)seaborgium sēbôrˈgēəm [key], artificially produced radioactive chemical element; symbol Sg; at. no. 106; mass number of most stable isotope 271; m.p., b.p., sp. gr., and valence unknown. Situated...

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