John Glenn

Historical marker location:

510 Webster Street, Dayton, Ohio

Marker installed: 2003

1962. Inventing Flight: The Centennial Celebration Series #9).

Ohio played a key role in the development of the modern steel industry. Andrew Carnegie, one of the most famous industrialists of the late 19th and early 20th centuries, started his career in the steel industry in Pittsburgh, Pennsylvania, but his first major investment was in a steel mill in Braddock, Ohio.