He was born in the U.S. the 19th of July julay, 1894. His father died when he was 3. He was an engineer and inventor. He left school when he was 12. He was known as the inventor of the Microwave. He was the vicepresident of the Atministrtion Council in Raytheon. Spencer got married and had 3 sons. He died on the 8th of September, 1970.