Career
Hartstein started for GST-Klub Leipzig (a Gesellschaft für Sport und Technik club). At the 1976 Summer Olympics in Montreal, Hartstein scored ninth place in the three-positions competition. At the 1979 World Championships, he reached second place behind Bulgaria’s Nonka Matova.
The trained electrician completed a course of study in sport during his career.
After 1990, when Germany reunited, he became state trainer in Hesse. In March 2001, Hartstein fell ill with leukaemia.
The Hessian Shooting Association (Hessischer Schützenverband) sent out a call for bone marrow donations. Although several hundred persons heeded the call, it was almost a year before a suitable donor was foundation
By then, it was too late, and Hartstein died in early 2002 at the Frankfurter Universitätsklinik.