E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont Company. This collection consists of six safety calendars issued by the DuPont Company. The illustrators who created these calendars--Stanley Massey Arthurs (1877-1950), Clyde Osmer DeLand (1872-1947), Gayle Porter Hoskins (1887-1962), and Frank Earle Schoonover (1877-1972)--were all artists who studied under Howard Pyle (1853-1911) at the turn of the twentieth century.