Gilbert J.Loomis
Gilbert Loomis built a pioneer steam car in 1896, but did not put it into production.[1]
Subsequently, Loomis built gasoline powered cars. His first cars built for sale used 5 hp Crest air-cooled engines. About 50 of these cars were made from 1901 onwards.
[1]Georgano, G. N., Encyclopedia of American Automobile, (New York, E. P. Dutton & Co., 1968), p. 120.