Klaus Bös is a German sports scientist who has become known beyond the German sports science community primarily for his work on differential motor research, motor diagnostics, fitness research in the lifespan and health sports. Klaus Bös is a co-founder of the Health Commission in the German Association for Sport Science and has provided numerous impulses in the development of motor test procedures in various fields of activity (health sport, talent, disabled sport, school sport, etc.). Central manuals on motor tests, motor development and health sport document his influence on German-language sports science.