William Edward Hanford

Born: 1908
Birthplace: Bristol, Pa.

Polyurethane—The Hanford and Holmes process is the basis today for the manufacture of all polyurethane. Polyurethane is used as an upholstery material, heat insulating material, in artificial hearts, safety padding in automobiles and in carpeting. (1991)

Robert N. HallThe National Inventors Hall of FameElizabeth Lee Hazen