Where was John Callahan, creator of John Callahan's Quads, from?
John Callahan (cartoonist) John Michael Callahan (February 5, 1951 – July 24, 2010) was a cartoonist, artist, and musician in Portland, Oregon, noted for dealing with macabre subjects and physical disabilities.
Patrick Sweeney (gunsmith) Patrick Sweeney is an American gunsmith (retired), originally from Detroit, Michigan. According to an interview with "Shotgun World" magazine, he is a well-known author in the field of gunsmithing. Retired from gunsmithing, he writes full-time. He teaches law enforcement classes on the patrol rifle, and gunsmithing the AR-15.