John Ulrich Giesy

John Ulrich Giesy (J.U. Giesy) born August 6, 1877 near Chillicothe, Ross County, Ohio, USA, died September 8, 1947 in Salt Lake City, Utah, USA, was an American physician, novelist and author. He was one of the early writers in the Sword and Planet genre, with his Jason Croft series. He collaborated with Junius B. Smith on many of his stories.