Atari, Inc. he was being put to the side by Bushnell; Bushnell had left him out of several high-level meetings, assigned him to overseeing the manufacturing process but not the design work, and Dabney discovered Bushnell had patented his video circuit concept without him as an inventor. In March 1973, Dabney formally left Atari, selling his portion of the company for . While Dabney would continue to work for Bushnell on other ventures, including Bushnell's Pizza Time Theater, the predecessor to Chuck E. Cheese's, he had a falling out with Bushnell and ultimately left the video game industry. Dabney's contributions towards Atari's
Nolan Bushnell In 2012 he founded an educational software company called Brainrush, that is using video game technology in educational software. Nolan is credited with Bushnell's Law, an aphorism about games "easy to learn and difficult to master" being rewarding. Bushnell enrolled at Utah State University in 1961 to study engineering and then later business. In 1964, he transferred to the University of Utah College of Engineering, where he graduated with a bachelor's degree in electrical engineering. He was a member of the Pi Kappa Alpha fraternity. He was one of many computer science students of the 1960s who played the historic