https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988739Edit ImageSaveSaveEditCropCustom TextFrederick L. Hoffmann. Photograph by Rockwood, 1892.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 754 x 1200 px | 300 dpiLarge JPEG 2164 x 3442 px | 300 dpiFree DownloadFrederick L. Hoffmann. Photograph by Rockwood, 1892.More