https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971234Edit ImageSaveSaveEditCropCustom TextSir Frederick Augustus Abel. Photograph by W. & D. Downey.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 805 x 1200 px | 300 dpiLarge JPEG 2166 x 3230 px | 300 dpiFree DownloadSir Frederick Augustus Abel. Photograph by W. & D. Downey.More