Education
He received a Bachelor at Swarthmore College in 1935, then an Mississippi and Doctor of Philosophy at Harvard University in 1939.
He received a Bachelor at Swarthmore College in 1935, then an Mississippi and Doctor of Philosophy at Harvard University in 1939.
His career included 13 years as Assistant Professor at Johns Hopkins School of Hygiene and Public Health where, among other works, he started the Rodent Ecology Project. Through systematic research he debunked the myth of 1 rat per person in New York City, and placed the rat population at about 250,000. He later became a Professor at Pennsylvania State University, then Chairman of Zoology at North Carolina State University at Raleigh.
During his career he published 3 books and 230 papers.