Percy Lebaron Spencer (July 19, 1894 – September 8, 1970) was an American physicist and inventor. He became known as the inventor of the microwave oven. He became known as the inventor of the microwave oven. Percy was 76 years old at the time of death. Spencer was born in Howland, Maine.

Percy Spencer was born on July 9, 1894 and died on September 8, 1970.

Percy Edward Brooshooft Brooshoof Spencer was born on month day 1870, at birth place, to Robinson Spencer and Judith Janet Margaret Elizabeth Spencer (born Tetley).

Percy Spencer Birthday and Date of Death. The melting of the chocolate bar was during WW II, he died in 1970, so no relation between these two events. Nationality : American Category : Science and Technology Last modified : 2011-12-15 Credited as : inventor, engineer, invented the microwave oven According to Microwaves in the cold war: the Moscow embass... [Environ Health. Genealogy for Percy Spencer (1870 - d.) family tree on Geni, with over 190 million profiles of ancestors and living relatives. Percy Spencer biography. People Projects Discussions Surnames Robinson was born on January 30 1845, in Bakewell, Derbyshire, England, UK. Date of birth : 1894-07-09 Date of death : 1970-09-08 Birthplace : Howland, Maine,U.S.

Early Life. Percy Lebaron Spencer (July 19, 1894 – September 8, 1970) was an American physicist and inventor.