11, 1958. | Vacant | Not filled this term. |- | | | August H. Andresen (R) | Died January 14, 1958. | | Al Quie (R) | February 18, 1958 |- | | | Lawrence H. Smith (R) | Died January 22, 1958. | colspan=2 | Not filled this term. |- | | | John J. Dempsey (D) | Died March 11, 1958. | colspan=2 | Not filled this term. |- | | | George S. Long (D) | Died March 22, 1958. | colspan=2 | Not filled this term. |- | | | William E. McVey (R) | Died August 10, 1958. | colspan=2 | Not filled this term. |- | | | Herman P. Eberharter (D) | Died September 9, 1958. | colspan=2 | Not filled this term. |- | | | J. Harry McGregor (R) | Died October 7, 1958. | colspan=2 | Not filled this term. |- | | | Sid Simpson (R) | Died October 26, 1958. | colspan=2 | Not filled this term. |- | | | Richard B. Wigglesworth (R) | Resigned November 13, 1958. | colspan=2 | Not filled this term. |- | | | Henry J. Latham (R) | Resigned December 31, 1958, after becoming a judge of the New York Supreme Court. | colspan=2 | Not filled this term. |} Committees Senate Agriculture and Forestry (Chairman: Allen J. Ellender; Ranking Member: George D. Aiken) Appropriations (Chairman: Carl Hayden; Ranking Member: Styles Bridges) Armed Services (Chairman: Richard B. Russell; Ranking Member: Leverett Saltonstall) Banking and Currency (Chairman: J. William Fulbright; Ranking Member: Homer Capehart) District of Columbia (Chairman: Matthew M. Neely; Ranking Member: J. Glenn Beall) Finance (Chairman: Harry F. Byrd; Ranking Member: Edward Martin) Foreign Relations (Chairman: Theodore F. Green; Ranking Member: Alexander Wiley) Foreign Aid Program (Special) (Chairman: ; Ranking Member: ) Government Operations (Chairman: John Little McClellan; Ranking Member: Joseph McCarthy then Karl E. Mundt) Interior and Insular Affairs (Chairman: James E. Murray; Ranking Member: George W. Malone) Interstate and Foreign Commerce (Chairman: Warren G. Magnuson; Ranking Member: John W. Bricker) Judiciary (Chairman: James O. Eastland; Ranking Member: Alexander Wiley) Labor and Public Welfare (Chairman: J. Lister Hill; Ranking Member: H. Alexander Smith) Labor-Management Relations (Select) Political Activities, Lobbying and Campaign Contributions (Special) Post Office and Civil Service (Chairman: Olin D. Johnston; Ranking Member: Frank Carlson) Preserve Historical Records of the Senate (Special) Public Works (Chairman: Dennis