Jack Ryan (character) Jack Ryan (character) John Patrick "Jack" Ryan, Sr. is a fictional character created by author Tom Clancy and featured in his Ryanverse novels, which have consistently topped the New York Times best seller list over 30 years. Since Clancy’s death in 2013, four other authors have continued the Ryan franchise and its other connecting series with the approval of the Clancy family estate: Mark Greaney, Grant Blackwood, Mike Maden, and Marc Cameron. The son of a Baltimore police detective and a nurse, Jack Ryan is a former U.S. Marine and stockbroker who became a history teacher at Boston College in
Marcus Corvinus (fictional character) Marcus Corvinus (fictional character) Marcus Valerius Messala Corvinus is a fictional character in a series of historical detective novels by the Scottish author David Wishart. Corvinus (he goes by his "cognomen") is of a noble Roman family, living in the reign of the Emperor Tiberius. He has turned his back on the "cursus honorum", preferring a quiet private life with his wife, Rufia Perilla, the scholarly, beautiful stepdaughter of the poet Ovid. Corvinus' main activity is solving mysteries and crimes. He met his wife when she contacted him to investigate the circumstances surrounding the exile and death of her stepfather,