 Complete the following phrase:  Mann completed his secondary education at Dixie Heights High School before attending Harvard University on a Navy ROTC scholarship, graduating cum laude in 1961 with a degree in biochemical science. After graduating, Mann served in the United States Navy from 1961 to 1965. As a lieutet, Mann served aboard the destroyer USS English during the Cuban Missile Crisis. Mann was a supporter of President John F. Kennedy; Mann credits 