https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011801![K. Koenig. Photograph by L.J. Bruce-Chwatt.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djdnYzZjhhd3gtaW1hZ2UuanBn.jpg)
![K. Koenig. Photograph by L.J. Bruce-Chwatt.](https://images.rawpixel.com/image_social_square/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djdnYzZjhhd3gtaW1hZ2UuanBn.jpg)
K. Koenig. Photograph by L.J. Bruce-Chwatt.
K. Koenig. Photograph by L.J. Bruce-Chwatt.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use