 In 1829 he became "professor extraordinary" of anatomy, and attained the title of "full professor" in 1833.Recently discovered archival sources demonstrate that, in June 1816, Schlemm and a fellow student disinterred the body of a deceased woman late at night in a Braunschweig churchyard to bring the body to this Institute and study the effects of rickets on the woman's bones.They were caught and sentenced to 4 weeks of prison.