Hans Schlegel and Reinhard Furrer, are German, of which mutual occupations?
Reinhard Furrer Prof. Dr. Reinhard Alfred Furrer (25 November 1940 – 9 September 1995) was a German physicist and astronaut.
Albert Schäffle Albert Eberhard Friedrich Schäffle (24 February 183125 December 1903) was a German sociologist, political economist, and newspaper editor.