William Pitt
Sir George Calvert converted to Catholiism and to resign as the English secretary of the state.
Thomas Jefferson was the Secretary of State during Washington's presidency.
Secretary of state
Nixon's Secretary of State was Henry Kissinger.
Madeline Albright was Secretary of State during Clinton's second term.
William R. Day followed by Ambassador John Milton Hay was the Secretary of State.
Dean Acheson, secretary of State under President Harry S, Truman, is considered to have been the first Secretary of State during the Cold War. (See his book, Present at the Creation.)
Acheson followed by Dulles.
John Adams
James G. Blaine
Frank B. Kellogg
The Secretary of State?