Dean Grennell

Dean A. Grennell (November 1, 1923 – April 10, 2004) was an American firearms expert, writer/editor, and active science fiction fan. He was the managing editor of Gun World magazine and editor of the science fiction fanzine Grue.

Background and military service Grennell was born near Humboldt, Kansas, in 1923. His family moved to rural Wisconsin three years later, and he grew up on a dairy farm. He was a veteran of the U.S. Army Air Corps, where he served as an aerial gunnery instructor during World War II.

Guns and ammunition After the war, while working as a salesman for a wholesale HVAC equipment supplier, he became interested in handloading cartridges for firearms.