Answer:
A. Michael DeBakey
Step-by-step explanation:
During the Second World War, DeBakey served in the U.S. Army as the director of the Surgical Consultants’ Division in the Surgeon General's office. He later held the rank of colonel in the Army Reserve. In 1945, he was given the Legion of Merit award.
DeBakey helped develop Mobile Army Surgical Hospital (MASH) units, which stationed doctors closer to the front lines and improved the survival rate of wounded soldiers in the Korean War.
DeBakey later helped establish the Veterans Administration Medical Center Research System. After the war, he returned to Tulane.