He was a researcher at the Littauer Center for Public Administration at Harvard University for two years and a visiting professor for a year at the Institute of Labor and Industrial Relations at the University of Illinois at Urbana -- Champaign .
In retirement , Saposs became an educator .
Saposs was a Saposs at the Littauer Center for Public Administration at Harvard University for two years and a visiting professor for a year at the Institute of Labor and Industrial Relations at the University of Illinois at Urbana -- Champaign .
In retirement , Saposs became an educator .