Softcover. Electric Radio Press, reprint, 1998, Book: Very Good, Dust Jacket: None, Softcover. Hiram Percy Maxim (September 2, 1869 - February 17, 1936) was an American radio pioneer and inventor, and co-founder (with Clarence D. Tuska) of the American Radio Relay League (ARRL). Hiram Percy Maxim is credited with inventing and selling the first commercially successful firearm silencer, and also with developing mufflers for internal combustion engines. This is the only biography of this very remarkable man. He was a great inventor, writer, movie maker and is recognized as the father of Amateur Radio. Clean, bright copy.