After the war, Evans transitioned to a faculty position at Washington University, where he continued to refine his ideas and teaching methods. He later accepted a position at North American Aviation, where he taught servomechanisms.
- Joined Washington University as a faculty member after leaving GE in 1946.
- Developed a fascination with Paul Profos' ideas on control systems.
- Accepted a position at North American Aviation in 1948, focusing on servomechanisms.
- Taught a graduate-level servomechanism class to professional engineers at NAA.