Harold E. "Tommy" Thompson (1921 – October 29, 2003) of Hobart, Indiana, was a helicopter aviation pioneer. He was the first man to intentionally loop a helicopter, set three international helicopter speed records, and was the first man to land a helicopter in the courtyard of The Pentagon. Thompson was a veteran of 3,500 hours in single-engine propeller fixed-wing aircraft and 3000 more in helicopters.