1955 – Snail – Cross – (American)
Snail Robot by Versal Cross High-School Robots Learn the “Three Rs” By Jim Collison – Popular Mechanics July 1955 There is also a little robot. Versal Cross, 17, the senior student who built it calls it a Doodlebug or Snail. The Snail follows a beam of light and, having lost it, searches until it finds …