Luicius Clay was born in Marietta, Georgia, on 23rd April, 1896. He attended the West Point Military Academy and after graduation was commissioned in the Corps of Engineers.
Clay remained in Washington for most of the war as Director of War Department Material. He also served on the Munitions Assignment Board and the War Production Board.
In July, 1944, Clay was also a delegate to the Bretton Woods conference. Soon afterwards he was sent to France to become supply chief under Dwight D. Eisenhower. The following year he was appointed Eisenhower's deputy as military governor of occupied Germany.
In May, 1946 Clay became military governor of Germany. He held the post during the Berlin Airlift and was replaced by John J. McCloy in 1949.
Clay retired from the United States Army in 1949 and went into industry and worked as Chief Executive Officer of Continental Can and Lehman Brothers, the investment bankers. Luicius Clay died in Chatham, Massachusetts, on 16th April, 1978.