Grew up in Boston, the son of an Irish American cop. Married to Dr. Cathy Ryan, mother of their 3 children: Sally (Olivia), Jack, Jr., and Katie (Kathleen). Former Marine Lieutenant who earned a Ph.D. in History and taught at the U.S. Naval Academy in Ann...
Clarks character appears first in Tom Clancys “Jack Ryan” series, at an older age, married, with 2 grown daughters. Clancy later wrote a spin-off series about John Clarks early career, beginning in 1972. In this series, as *John Kelly, he introduces himse...
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Closest friend of Jack Ryan; became an admiral, then Director of Operations (J-3) for the Joint Chiefs of Staff at the Pentagon. (Rear Admiral in EXECUTIVE ORDERS.) He and his wife Sissy are longtime friends of Jack and Cathy Ryan and live in Annapolis....