Vincent Joseph Schaefer (1906-1993) was an American chemist and meteorologist who developed cloud seeding. As a researcher at the General Electric Research Laboratory in Schenectady, Schaefer modified clouds in the Berkshire Mountains by seeding them with dry ice. Despite being self-taught and never finishing high school, he was issued 14 patents.
JOHN A. DAY was a weather forecaster, a professor of physics and meteorology, a researcher studying cloud physics, and an author of college texts on weather.