Hans Joachim Morgenthau (February 17, 1904 - July 19, 1980) je omo Germany ara Amerika] to je ikan ninu asiwaju ninu igbeka oselu akariaye ni orundun ogun.. 
Fellow German Sociologist, Ferdinand toneses, thezed on two crucial Abstract Concepts with his work on "Olùins: and Gesellschaft" (Litcape.. 