https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13984508Edit ImageSaveSaveEditCropCustom TextGeheimrath Joseph Maximilian Chelius. Photograph.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 774 x 1200 px | 300 dpiLarge JPEG 2150 x 3333 px | 300 dpiFree DownloadGeheimrath Joseph Maximilian Chelius. Photograph.More