Roger Tory Peterson

Roger Tory Peterson, one of the world"s greatest
naturalists, received every major award for ornithology,
natural science, and conservation, as well as numerous
honorary degrees, medals, and citations, including the
Presidential Medal of Freedom. The Peterson Identification
System has been called the greatest invention since
binoculars, and the Peterson Field Guides® are credited with
helping to set the stage for the environmental movement.