Lukens was born in
Philadelphia, Pennsylvania, son of Edward and Francis (Day) Lukens. He attended the
Episcopal Academy, continuing his education at
Princeton University, Class of 1946. He did not actually graduate until 1948 because he interrupted his studies to join the army. He served in the
Second World War in the
20th Armored Division, landed in Europe in January 1945 and experienced bitter fighting in the
Rhine valley. His division was involved with the Liberation of
Dachau concentration camp on April 29, 1945. ==Foreign Service==