SENSENBRENNER, Frank James, Jr., a Representative from Wisconsin; born in Chicago, Cook County, Ill., June 14, 1943; graduated from Milwaukee Country Day School, 1961; A.B., Stanford University, Stanford, Calif., 1965; J.D., University of Wisconsin Law School, Madison, Wis., 1968; staff assistant to United States Representative J. Arthur Younger of California, 1965; lawyer, private practice; member of the Wisconsin state assembly, 1969-1975; member of the Wisconsin state senate, 1975-1979, assistant minority leader, 1977-1979; delegate, Wisconsin state Republican conventions, 1965-2007; elected as a Republican to the Ninety-sixth and to the fifteen succeeding Congresses (January 3, 1979-present); one of the managers appointed by the House of Representatives in 1989 to conduct the impeachment proceedings against Walter L. Nixon, judge of the United States District Court for the District Court of Mississippi; one of the managers appointed by the House of Representatives in 1998 to conduct the impeachment proceedings of President William Jefferson Clinton; chair, Committee on Science (One Hundred Fifth and One Hundred Sixth Congress); chair, Committee on the Judiciary (One Hundred Seventh through the One Hundred Ninth Congresses).