https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13989812Edit ImageSaveSaveEditCropCustom TextRobert Koch. Photograph after a bust by Edmund Moeller, 1932.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 821 x 1200 px | 300 dpiLarge JPEG 2190 x 3202 px | 300 dpiFree DownloadRobert Koch. Photograph after a bust by Edmund Moeller, 1932.More