American roller coaster designer, he has been called the sovereign of
steel coasters. At Arrow Dynamics (founded as Arrow Development Company
in 1946) he fostered the tubular track Runaway Mine Ride (1966), the
inverted helix-shaped Corkscrew (1975) at Knott's Berry Farm (Buena
Park, Calif.), the Magnum XL-200 (1989) at Cedar Point (Sandusky,
Ohio), and the first suspended coasters: Big Bad Wolf (1984) at Busch
Gardens, Williamsburg, Va., and Cedar Point's Iron Dragon (1987). He
became president of Arrow Dynamics in 1986. He retired in the late
1990s.