Jeff Cooper
This article may need to be rewritten entirely to comply with Wikipedia's quality standards. You can help. The discussion page may contain suggestions. (January 2013) John Dean "Jeff" Cooper John Dean "Jeff" Cooper Born (1920-05-10)May 10, 1920 Los Angeles, California, U.S. Died September 25, 2006(2006-09-25) (aged 86) Paulden, Arizona, U.S. Occupation U.S. Marine, firearms instructor, writer Spouse(s) Janelle Cooper John Dean "Jeff" Cooper (May 10, 1920 – September 25, 2006) was a United States Marine and the creator of what is known as "the Modern Technique" of handgun shooting, and one of the 20th century's foremost international experts on the use and history of small arms.