Markle Mill Site

Historical marker location:

Terre Haute, Indiana

( Marker is at the intersection of East Park Avenue and Mill Dam Road, on the right when traveling east on East Park Avenue.)

Marker installed: 2001

The first public demonstration of the electric light bulb was given by Thomas Edison in Menlo Park, New Jersey, but the first practical incandescent light bulb was invented by Lewis Howard Latimer, who was born in Chelsea, Massachusetts, but lived in Indiana for a time. Latimer was also the first African American to be employed as an engineer by the U.S. Patent Office.