https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14017090Edit ImageSaveSaveEditCropCustom TextWalter Pagel. Photograph, ca. 1960 .Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 930 x 1200 px | 300 dpiLarge JPEG 2327 x 3002 px | 300 dpiFree DownloadWalter Pagel. Photograph, ca. 1960 .More