https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14007886Edit ImageSaveSaveEditCropCustom TextRobert Koch and Stabsarzt Kleine with a dead crocodile, East Africa. Process print after a photograph, 1906/1907.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 783 px | 300 dpiLarge JPEG 3307 x 2157 px | 300 dpiFree DownloadRobert Koch and Stabsarzt Kleine with a dead crocodile, East Africa. Process print after a photograph, 1906/1907.More