https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13977487Edit ImageSaveSaveEditCropCustom TextErnst von Bergmann (1836-1907) demonstrating to students in BerlinOriginal public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 1034 px | 300 dpiLarge JPEG 3500 x 3016 px | 300 dpiBest Quality JPEG 4596 x 3960 px | 300 dpiFree DownloadErnst von Bergmann (1836-1907) demonstrating to students in BerlinMore