https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14014538Edit ImageSaveSaveEditCropCustom TextSir Robert Christison. Lithograph by Fr. Schenck after W. Stewart.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 933 x 1200 px | 300 dpiLarge JPEG 2568 x 3304 px | 300 dpiFree DownloadSir Robert Christison. Lithograph by Fr. Schenck after W. Stewart.More