Wikipedia: Roger Tory Peterson
Synopsis of the life and work of Roger Tory Peterson, the ornithologist and developer of the Peterson Identification System.
Roger Tory Peterson 1908-1996
Biography of the artist and naturalist, famous for his visual identification system that allowed birders to quickly identify live birds in the field. Also lists the author's honorary doctorates, awards, and publications including A Field Guide to the Birds, 1934.