<P> Dr. John Patrick `` Jack '' Ryan Sr. , KCVO ( Hon . ) , Ph. D. is a fictional character created by author Tom Clancy who appears in many of his novels and their respective film adaptations . </P>
<P> Dr. John Patrick `` Jack '' Ryan Sr. , KCVO ( Hon . ) , Ph. D. is a fictional character created by author Tom Clancy who appears in many of his novels and their respective film adaptations . </P>
who is jack ryan and what is he famous for
who is jack ryan and what is he famous for
a fictional character created by author Tom Clancy appears in many of his novels and their respective film adaptations
a fictional character created by author Tom Clancy appears in many of his novels and their respective film adaptations