Dr. J. Alan Holman was an American paleontologist, herpetologist, and Curator Emeritus of Vertebrate Paleontology at the Michigan State University Museum and Emeritus Professor of Geology and Zoology at Michigan State University. Holman authored twelve books, including two monographs (Pleistocene Amphibians; Reptiles in North America; Pleistocene Amphibians; Reptiles in Britain and Europe) and field guides, such as: Michigan Snakes, Michigan Turtles, Lizards, Michigan Frogs, Toads and Salamanders. The book, The Michigan Roadside Naturalist, was co-authored with, Dr. Margaret B. "Peg" Holman, his wife. His accomplishment include, Honorary Lifetime membership in the Society of Vertebrate Paleontology. https://en.wikipedia.org/wiki/J._Alan...