MAJORITY

• 0John Jackson Sparkman

  [D] AL, United States
• 196William Proxmire

  [D] WI, United States
• 0HARRISON ARLING WILLIAMS

  [D] NJ, United States
• 4Edmund Muskie

  [D] ME, United States
• 0THOMAS MCINTYRE

  [D] NH, United States
• 2Walter Mondale

  [D] MN, United States
• 608Ernest "Fritz" F. Hollings

  [D] SC, United States
• 0HAROLD E. HUGHES

  [D] IA, United States
• 265Alan Cranston

  [D] CA, United States

MINORITY

• 0WALLACE FOSTER BENNETT

  [R] UT, United States

  Ended 01/29/1971
• 16John Tower

  [R] TX, United States

  Ended 01/29/1971
• 3Edward W. Brooke III

  [R] MA, United States

  Ended 01/29/1971
• 6Charles H. Percy

  [R] IL, United States

  Ended 01/29/1971
• 0CHARLES ELLSWORT GOODELL

  [R] NY, United States

  Ended 01/03/1971
• 330Robert "Bob" W. Packwood

  [R] OR, United States

  Ended 01/29/1971