https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13979023Edit ImageSaveSaveEditCropCustom TextChristian Albert Theodor Billroth. Photograph by Fritz Luckhardt.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 741 x 1200 px | 300 dpiLarge JPEG 1095 x 1773 px | 300 dpiFree DownloadChristian Albert Theodor Billroth. Photograph by Fritz Luckhardt.More