https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14012644Edit ImageSaveSaveEditCropCustom TextJohann Peter Frank. Stipple engraving by C.H. Rahl after Schmid.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 718 x 1200 px | 300 dpiLarge JPEG 1307 x 2185 px | 300 dpiFree DownloadJohann Peter Frank. Stipple engraving by C.H. Rahl after Schmid.More