Robert Evans Snodgrass

Robert Evans Snodgrass (R.E. Snodgrass) (July 5, 1875 – September 4, 1962) was an American entomologist and artist who made important contributions to the fields of arthropod morphology, anatomy, evolution, and metamorphosis.

He was the author of 76 scientific articles and six books, including ''Insects, Their Ways and Means of Living'' (1930) and the book considered to be his crowning achievement, the ''Principles of Insect Morphology'' (1935). Provided by Wikipedia