He was released by the University of Kentucky from 1943 to 1945 while he did war service, being sent to the Ballistic Research Laboratory at the Aberdeen Proving Ground, Maryland as a mathematician for the U.S. War Department.
Siya ay inilabas ng University of Kentucky 1943-1945 habang siya ay digmain serbisyo, ipinapadala sa Ballistic Research Laboratory sa Aberdeen Proving Ground, Maryland bilang isang dalub-agbilang para sa US War Department.