Ernst Häckel, portrait. Doctor, biology, freethinker, philosopher, zoologist wood engraving after a photograph, 1902

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Size: 2775px × 3767px
Photo credit: © Quagga Media / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: art, black, cut, draw, drawing, engraving, ernst, hackel, haeckel, historical, illustration, illustrations, line, lineart, monochrome, portrait, porträ, vintage, white, wood, woodcut, woodengraving, äckel