Harold E. Froehlich

For the American politician, see Harold Vernon Froehlich
Harold Edward "Bud" Froehlich (July 13, 1922 – 19 May 2007) was an American engineer who helped design The Alvin, deep-diving exploratory submarine used to find a lost atomic bomb and explore the wreck of The Titanic.
He graduated from the University of Washington and earned a master’s degree in aeronautical engineering from the University of Illinois at Urbana-Champaign.
He died of heart failure in Maplewood, Minnesota.