 Bühl was a physics advisor to the "Nationalsozialistischer Deutscher Dozentenbund" (NSDDB, National Socialist German University Lecturers League).In 1940, Bühl attended the historic meeting known as the "Münchner Religionsgespräche" confronting the "Deutsche Physik" movement; Bühl was a principal there supporting the movement.When Adolf Hitler became Chancellor of Germany on 30 January 1933, the concept of "Deutsche Physik" took on more favor and fervor.