About Raoul C.M. Hennekam Books by Raoul C.M. Hennekam Gorlin's Syndromes of the Head and Neck by (author) Raoul C.M. Hennekam, Ian D. Krantz & Judith E. Allanson Syndromes of the Head and Neck by (author) Robert J. Gorlin, M. Michael Cohen & Raoul C.M. Hennekam