Garrett Morgan, inventor of the traffic light also invented the gas mask. He and his brother personally donned the untested masks and rescued 30 workers trapped in Tunnel No. 5 at the Cleveland Water Works. The G.A. Morgan Company still operates in Cleveland, Ohio.

Did You Know?
Ramon Herrera, a black Latino, played for the Boston Red Sox during the 1888-1946 period when Blacks were banned from the major leagues. He is one of several Black players who "passed" for white in order to play baseball.