Hamilton Paul Traub (June 18, 1890 – July 14, 1983) was an American botanist. He specialized in the study of Amaryllidaceae.[1] He also did horticultural studies on beans.[2] Dr Traub was one of the founding members of the American Amaryllis Society (now the International Bulb Society) in 1933, and for a long time the editor of its annual publication, variously called Year Book, American Amaryllis Society, Herbertia and Plant Life: Amaryllis Year Book.[3]