Ralph Hoffmann Writer
Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher and amateur ornithologist and botanist. He was the author of the first true bird field guide.
Ralph Hoffmann (November 30, 1870 – July 21, 1932) was an American natural history teacher and amateur ornithologist and botanist. He was the author of the first true bird field guide.