In 1951 , he earned a Master of Public Health degree from the Harvard School of Public Health .
Dr. Ley attended Harvard College from 1941 - 1943 , and returned there after World War II , where he received his M.D. degree , cum laude , in 1946 .
In 1951 , Ley earned a Master of Public Health degree from the Harvard School of Public Health .
Dr. Ley attended Harvard College from 1941 - 1943 , and returned there after World War II , where he received his M.D. degree , cum laude , in 1946 .