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De Forest, Lee

(Encyclopedia) De Forest, Lee, 1873–1961, American inventor, b. Council Bluffs, Iowa, grad. Yale, 1896. He was a pioneer in the development of wireless telegraphy, sound pictures, and television. His…

Davis

(Encyclopedia) Davis, city (2020 pop. 66,850), Yolo co., central Calif.; settled in the 1850s, inc. 1917. It is an education center with light industry…

Ciego de Ávila

(Encyclopedia) Ciego de ÁvilaCiego de Ávilasyāˈgō dā äˈvēlä [key], city (1995 est. pop. 91,000), capital of Ciego de Ávila prov., central Cuba. An important processing center in a sugarcane region,…

duralumin

(Encyclopedia) duraluminduralumind&oobreve;rălˈyəmĭn, dy&oobreve;– [key], alloy of aluminum (over 90%) with copper (about 4%), magnesium (0.5%–1%), and manganese (less than l%). Before a…

Gilroy

(Encyclopedia) Gilroy, city (2020 pop. 59,520), Santa Clara co., W Calif.; inc. 1870. Located in the fertile Santa Clara valley, Gilroy supports…

Firestone, Harvey Samuel

(Encyclopedia) Firestone, Harvey Samuel, 1868–1938, American industrialist, manufacturer of rubber products, b. Columbiana co., Ohio. The son of a prosperous farmer, Harvey Firestone began to…

Wright, Sewall

(Encyclopedia) Wright, Sewall, 1889–1988, American geneticist, b. Melrose, Mass., B.S. Lombard College, 1911, M.S. Univ. of Illinois, 1912, D.Sc. Harvard, 1915. From 1915 to 1925 he worked in the…

Abbott, Grace

(Encyclopedia) Abbott, Grace, 1878–1939, American social worker, b. Grand Island, Nebr. She did notable work as director (1921–34) of the Child Labor Division of the U.S. Children's Bureau. The Child…

Cape Coral

(Encyclopedia) Cape Coral, city (2020 pop. 194,016), Lee co., SW coastal Fla., located on an estuary of the Caloosahatchee River; inc. 1970. It is…