John Steven Barry (August 31, 1924 – July 3, 2009) was an American business executive who popularized WD-40, a water-displacing spray and solvent that had been created in the 1950s for use in the space program and spread its use in the consumer market.
Early life and education
Barry was born in Minneapolis, Minnesota. He attended the University of Minnesota, from which he received a bachelor's degree in mechanical engineering. He was designated to participate in an officer's training program after enlisting in the United States Navy, as part of which he attended Columbia University and Harvard University. After his military service, he attended the MIT Sloan School of Management, earning a master's degree in business administration. He had been hired by 3M after graduation, but was called to active duty in the Navy during the Korean War.
The product had originally been created by Rocket Chemical Company in 1953 as a degreasing and rust-preventing spray, with t