https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13977506Edit ImageSaveSaveEditCropCustom TextSir Rudolph Albert Peters. Photograph by A.C. Barrington Brown.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 868 x 1200 px | 300 dpiLarge JPEG 2300 x 3180 px | 300 dpiFree DownloadSir Rudolph Albert Peters. Photograph by A.C. Barrington Brown.More