https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14021745Edit ImageSaveSaveEditCropCustom TextLudwig August Frankl. Photograph by J. Löwy.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 761 x 1200 px | 300 dpiLarge JPEG 2107 x 3322 px | 300 dpiFree DownloadLudwig August Frankl. Photograph by J. Löwy.More