 It was manufactured by Philadelphia Toboggan Coasters and designed by Herbert Paul Schmeck, who studied under the legendary John A. Miller and went on to mentor another well-renowned designer, John C. Allen.Thunderhawk was designed by Herbert Paul Schmeck and built by the Philadelphia Toboggan Coasters.When Thunderhawk opened on March 30,1924 and for many years after the ride was known simply as the Coaster.