https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13996815Edit ImageSaveSaveEditCropCustom TextCharles Horace Mayo. Photograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 871 x 1200 px | 300 dpiLarge JPEG 2255 x 3108 px | 300 dpiFree DownloadCharles Horace Mayo. Photograph.More