36. Lyndon B. Johnson

November 22, 1963 - January 20, 1969

37. Richard M. Nixon

January 20, 1969- August 9, 1974

38. Gerald R. Ford

August 9, 1974 - January 20, 1977

39. James E. "Jimmy" Carter

January 20, 1977 - January 20, 1981

40. Ronald W. Reagan

January 20, 1981 - January 20, 1989