on radio with listeners encouraged to turn off their electric lights until the switch was flipped at the Museum.

The Edison Institute was, at first, a private site for educational purposes only, but after numerous inquiries about the complex, it was opened as a museum to the general public on June 22, 1933. It was originally composed of the Henry Ford Museum, Greenfield Village, and the Greenfield Village Schools (an experimental learning facility). Initially, Greenfield Village and the Henry Ford Museum were owned by the Ford Motor Company,