1950 – Elliptical Walking Wheels – John Kopczynski (American)

Source: MECHANIX ILLUSTRATED August, 1949 Truck Walks on Wheels ADMIRAL Richard E. Byrd's transport troubles in the Antarctic ten years ago started John F. Kopczynski, a student engineer, thinking: "Why can't wheels walk?" Conventional wheels merely spun and bogged down helplessly in the deep snow. Walking wheels could pull like the tracks on a tractor …