Career
Besides running he played four international football matches and then worked as a football coach for SV Waldhof Mannheim and SV Amicitia 09 Viernheim. In 1939 Neumann graduated with a diploma in physical education. He later became a professor and director of the Institute of Physical Education in Karlsruhe, and an honorary professor at the University of Heidelberg, where in 1950 he founded the basketball club University of Southern California Heidelberg.
Hannes later became a basketball coach and professor in sports science.