Member of Theta Chi Fraternity (Beta Chapter, Massachusetts Institute
of Technology)
He was a chemical engineer and ornithologist. He was president of E.I. Du Pont De Nemours and Company from 1948 to 1962.
Father of author, Crawford Hallock Greenewalt Jr. born on June 3, 1937 in Wilmington, Delaware and died on May 4, 2012 in Hockessin, Delaware; Father of Nancy Greenewalt Frederick of Hockessin, Delaware.