James Budd (1895-99), who served in the House of Representatives (CA 1883-5) - as did Stephen Bolles (WI 1939-41); Bob Carr (MI 1975-1981, 1983–1995); Harmon Sweatland Conger (NY 1847-51); Gilbert Nelson Haugen (IA 1899-1933); Ithamar Conkey Sloan (1863-67); Charles Grandison Williams (1873-83) and the current Congressman for the First District, Paul Ryan.
Feingold is being challenged by Ron Johnson (Republican), their websites can be accessed here - Feingold; Johnson.
District 07 is an open seat. David Obey, who has sat in the House of Representatives since 1969 - and is the current Chair of the Appropriations Committee is standing down. The seat, listed by Cook as a "Toss Up", is being contested by Julie Lassa (Democrat) and Sean Duffy (Republican). The Seventh District is in the North West of the State. Ron Kind's district is listed as "leaning Democratic". He represents the 3rd District which is the South West seat. Kind gained his Masters degree at the London School of Economics, and worked as an intern for Leicester West's MP, Greville Janner.
The other competive seat is the 8th District where Steve Kagen is defending the seat he first won in 2006. The Eighth is the North Eastern district which includes Green Bay.