Kirk received a BA from Princeton University in 1952 and served in the US Air Force from 1952 to 1955.[2] From 1973 until 1975 he was the US Ambassador to Somalia.[3] In 1978 he was nominated to be the Deputy Representative of the US to the International Atomic Energy Agency,[2] in which capacity he served from 1978 until 1983.[3] From 1985 until 1989 he was the U.S. Ambassador to Romania.[3] He was a member of the American Academy of Diplomacy.[4] Kirk died from pneumonia in Washington D.C., on January 18, 2023, at the age of 92.[5]