Hawley Harvey Crippen, American physician (died 1910)

Hawley Harvey Crippen, colloquially known as Dr. Crippen, was an American homeopath, ear and eye specialist and medicine dispenser who was hanged in Pentonville Prison, London, for the murder of his second wife, Cora Henrietta Crippen. He was the first criminal to be captured with the aid of wireless telegraphy.