Final answer:
Frankie Manning is the swing dancer credited with creating air steps with his dance partner Frieda Washington.
Step-by-step explanation:
The swing dancer credited with creating air steps with his dance partner Frieda Washington was Frankie Manning.
Frankie Manning was an influential figure in the swing dance community during the 1930s and 1940s. He popularized aerial moves and introduced innovative choreography, including the first recorded air step, called the Lindy Hop.