https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14003802Edit ImageSaveSaveEditCropCustom TextChristian Albert Theodor Billroth. Photograph by F. Luckhardt.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 757 x 1200 px | 300 dpiLarge JPEG 2101 x 3330 px | 300 dpiFree DownloadChristian Albert Theodor Billroth. Photograph by F. Luckhardt.More