- Shelfmark: UBA Ffm Na 41
- Date(s) of creation: approx. 1850 - 1915
- Types of record: Estate documents, manuscripts, travel writing, letters, collector’s items
Lucas Friedrich Julius Dominikus von Heyden (1838-1916), an entomologist, explorer, and captain, was also co-founder of the “Frankfurter Verein für naturwissenschaftliche Unterhaltung” (Frankfurt Society for Scientific Entertainment), or 'Käwwernschachtel', established on January 18th, 1859. In 1860 he became a member of the Senckenberg Society for Nature Research.