Portrait of Petrus de Boer, professor of mathematics and physics in Groningen and rector Magnificus from 1882 to 1883, Friedrich Julius von Kolkow, c. 1878 - in or before 1883 photograph photographic support albumen print historical persons. professor Groningen
Size: 4554px × 3504px
Photo credit: © piemags/rmn / Alamy / Afripics
License: Licensed
Model Released: No
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