Historical Marker
Prince Town
Historical marker location:
300 West Broadway Street, Princeton, Indiana
( Marker is at the intersection of West Broadway Street (Indiana Route 65) and North West Street, on the left when traveling east on West Broadway Street.)
February 14, 1814.
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.