https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010114![Oliver Wendell Holmes. Colour lithograph by Sir L. Ward [Spy], 1886.](https://images.rawpixel.com/image_social_portrait/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djdHZmNG1ibWQtaW1hZ2UuanBn.jpg)
Oliver Wendell Holmes. Colour lithograph by Sir L. Ward [Spy], 1886.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use