https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13980554![Joseph Hooper. Stipple engraving by W. Grainger.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djZHFoZDVzcHctaW1hZ2UuanBn.jpg)
![Joseph Hooper. Stipple engraving by W. Grainger.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djZHFoZDVzcHctaW1hZ2UuanBn.jpg)
Joseph Hooper. Stipple engraving by W. Grainger.
Joseph Hooper. Stipple engraving by W. Grainger.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use