![Sir Joseph Dalton Hooker. Reproduction of drawing by Matt [].](https://images.rawpixel.com/image_200/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djc204c2IyOXAtaW1hZ2UuanBn.jpg)
https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14005102![Sir Joseph Dalton Hooker. Reproduction of drawing by Matt [].](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djc204c2IyOXAtaW1hZ2UuanBn.jpg)
Sir Joseph Dalton Hooker. Reproduction of drawing by Matt [].
Sir Joseph Dalton Hooker. Reproduction of drawing by Matt [].
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use