Tuesday, March 2, 2010

William Michael Bright was a biologist. He Went to many colleges a and appointed top of line teachers for different classes. Granville T. Woods invented the Auto Air Brake, Roller Coaster, and the Electric Railway System. Garrett Augustus Morgan (1877 - 1963) invented, among many other things, a 3-way automatic stop sign, which he sold to General Electric. It was used in the U.S. until the 3-light traffic sign was developed.