After working for a year as head of a physical laboratory in the chemical industry, he was granted a visiting professorship at the University of California, Berkeley. In 1957, he became head of the "Psychological Working Group" at the then Max Planck Institute for Occupational Physiology in Dortmund.
In 1962, he was appointed to the newly founded Institute for Occupational Psychology and Occupational Pedagogy at the Technical University of Munich, which later became the Chair of Ergonomics.