]: The theory of community in the 1796 natural law by Fichte), in 1939 he qualified as a lecturer ("Habilitation") with a thesis on the political thought of Thomas Hobbes at the University of Königsberg.

After the fall of the Third Reich in 1945, Schelsky joined the German Red Cross and formed its effective Suchdienst (service to trace down missing persons).

Freyer's ambitions failed miserably, the Nazi power elite monopolizing ideology, but helped the talented student Schelsky in his first career steps.

He helped another 17 sociologists qualify as lecturers (outnumbering in this any other professor in the Humanities and Social Sciences) and anticipated the boom in sociological chairs at German universities.

Manning them, he was professionally even more successful than the outstanding remigrants René König (Cologne) and Otto Stammer (Berlin) - the Frankfurt School starting to be of influence only after 1968.