Jan Jaffe Kahn, award-winning television screenwriter, died June 10 of complications from multiple myeloma at North Shore University Medical Center in Manhasset, N.Y. She was 50.Kahn, who studied Russian literature at NYU, became interested in the industry while working as a translator and collaborator with filmmaker Slava Tsukerman. She began screenwriting when she collaborated with her husband, Ronald, on “The Prodigious Hickey,” a three-part PBS television series based on Owen Johnson’s “Lawrenceville Stories.” Produced by Kahn’s husband and Lindsay Law, “Prodigious Hickey” became Kahn’s best-known work, for which she received the American Film & Video Festival’s Silver Award and Blue Ribbon’s best literary adaptation award. The series ran 1986-1988 on PBS and was later picked up by the Disney Channel. She was working on a screenplay adaptation of James Fennimore Cooper’s “The Spy” shortly before her death. Kahn is survived by her husband, Ronald; two daughters; and two sisters. In lieu of flowers, family requests that donations in Kahn’s name be made to the Intl. Myeloma Foundation, 2129 Stanley Hills Drive, Los Angeles, Calif. 90046.