Leonard Joseph Zengel (March 15, 1887 â September 24, 1963) was an American racing driver.
Zengel was born on March 15, 1887, in Dayton, Ohio, to Leonard A. Zengel (1857-1930) and Jennie L. Pomeroy (1862-1936). He had seven siblings.
On October 8, 1910, Zengel won the annual Fairmount Park road race in Philadelphia driving a Chadwick Engineering Works auto.
In 1911, Zengel won the Elgin Trophy.
Zengel participated in the 1912 Indianapolis 500.
Zengel married Mary L. Howell and had a son, Leonard Joseph Zengel Jr. (1915-1944) who died in a car accident when he fell asleep at the wheel in Pittsburgh, Pennsylvania. He had a daughter, Betty Jean Zengel.
Zengel operated a Chrysler and Plymouth dealership.
Zengel died on September 24, 1963, in Bryn Mawr, Pennsylvania, at age 76.