William was born and raised in Philadelphia, where he attended Catholic school and received a degree in Anthropology/Archeology from the University of Pennsylvania.
He has worked for the Philadelphia Zoological Garden, has excavated fossils in the Canadian badlands for the Provincial Museum of Alberta, and has helped to design and construct a dinosaur exhibit for the Academy of Natural Sciences of Philadelphia.
He is a herpetologist for the Arizona-Sonora Desert Museum and has written numerous articles and essays on herpetology and paleontology and is a member of the Society of Vertebrate Paleontology.
He and his wife, Barbara live in Pima County, Arizona.
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