Emmett Chappelle (1925-2019)

Emmett Chappelle, inventor, was born in Phoenix, Arizona on October 25, 1925. His scientific research and the 14 United States patents he received for his inventions make Chapelle’s contributions vital to the scientific world. Much about Chappelle’s earlier life cannot be ascertained. He attended the … Read MoreEmmett Chappelle (1925-2019)