Rusk served under presidents John F. Kennedy and Lyndon B. Johnson, the second-longest serving secretary of state after Cordell Hull from the Franklin Roosevelt administration. He had been a high government official in the 1940s and early 1950s, as well as the head of a leading foundation. He is cited as one of the two officers responsible for dividing the two Koreas at the 38th parallel.From the collection of Sir Michael Stewart (1911-1994, KCMG, OBE, HM Ambassador to Greece and Minister at the British Embassy in Washington)