https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14016972Edit ImageSaveSaveEditCropCustom TextHermann Kolbe. Photograph by August Brausch, Leipzig, 1879.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 722 x 1200 px | 300 dpiLarge JPEG 2095 x 3484 px | 300 dpiFree DownloadHermann Kolbe. Photograph by August Brausch, Leipzig, 1879.More