Lasted edited by Andrew Munsey, updated on June 15, 2016 at 1:40 am.
Edwin V. Gray Sr. was an Inventor.
Gray developed the Gray motor, which was the first market-ready prototype replication of Nikola Tesla's radiant energy phenomenon. The device never made it to market for reasons that his nephew described as "paranoia, secrecy, and greed". Reportedly, he took his the exact specification with him to the grave.