De Forest n 1: United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961) [syn: {De Forest}, {Lee De Forest}, {Father of Radio}]
De Forest, WI (village, FIPS 19350) Location: 43.24576 N, 89.34575 W Population (1990): 4882 (1757 housing units) Area: 6.2 sq km (land), 0.1 sq km (water) Zip code(s): 53532