https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13990057![John Gibson. Photograph by Maull & Polyblank.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djaHNkZXFlMmYtaW1hZ2UuanBn.jpg)
![John Gibson. Photograph by Maull & Polyblank.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9zdGF0aWMvZmlsZXMvd2Vic2l0ZS8yMDI0LTAyL3djaHNkZXFlMmYtaW1hZ2UuanBn.jpg)
John Gibson. Photograph by Maull & Polyblank.
John Gibson. Photograph by Maull & Polyblank.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use