https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13971860Edit ImageSaveSaveEditCropCustom TextMax Gruber. Photograph, 1913.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 922 x 1200 px | 300 dpiLarge JPEG 2361 x 3074 px | 300 dpiFree DownloadMax Gruber. Photograph, 1913.More