https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021842Edit ImageSaveSaveEditCropCustom TextCarl Friedrich Wilhelm Ludwig. Lithograph by R. Hoffmann, 1856, after F. Küss.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 968 x 1200 px | 300 dpiLarge JPEG 2418 x 2998 px | 300 dpiFree DownloadCarl Friedrich Wilhelm Ludwig. Lithograph by R. Hoffmann, 1856, after F. Küss.More