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.
Precision Propellers Precision Propellers LLC, founded in 1979 by Jeff Johnson, was an American manufacturer of wooden propellers for homebuilt and ultralight aircraft. Once established at Vernal, Utah, the company headquarters was last located in Gold Canyon, Arizona.