Caleb Smith Bragg (November 23, 1885 – October 24, 1943) was an American racing driver, speedboat racer, aviation pioneer, and automotive inventor.

[3] Bragg graduated from Yale in 1908 and took a post-graduate engineering course at Massachusetts Institute of Technology in 1909.

It was held at the Wauwatosa Road Race Course near Milwaukee, Wisconsin and was sanctioned by the Automobile Club of America.

[4] Caleb Bragg won by over 15 minutes over Erwin Bergdoll and his 9.5 liter 37/90 hp Benz.

They formed a company in 1920 and Ethel Merman was his personal secretary before she became famous.