https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13994299Edit ImageSaveSaveEditCropCustom TextWalter H. Wernsdorfer. Photograph by L.J. Bruce-Chwatt.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1139 x 1200 px | 300 dpiLarge JPEG 2688 x 2832 px | 300 dpiFree DownloadWalter H. Wernsdorfer. Photograph by L.J. Bruce-Chwatt.More