Black and white vignette studio portrait of August Heinrich Petermann. Ink inscription on verso, 'A. Petermann 26. Mai 1867'. Printed inscription on verso, 'August Linde Gotha Auguststrasse No. 3.'. August Herinrich Petermann (1822-1878) was a cartographer, geographer and a promoter of arctic exploration.. August Herinrich Petermann (1822-1878) was a cartographer, geographer and a promoter of arctic exploration.