Career
He composed what is still considered the a seminal work in the area of eastern North American bee fauna: Bees of the Eastern United States vols I and World War II Mitchell was born in Cambridge, Massachusetts, on October 26, 1890.
He composed what is still considered the a seminal work in the area of eastern North American bee fauna: Bees of the Eastern United States vols I and World War II Mitchell was born in Cambridge, Massachusetts, on October 26, 1890.