https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13974313Edit ImageSaveSaveEditCropCustom TextM.A.C. Dowling. 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 792 x 1200 px | 300 dpiLarge JPEG 2266 x 3433 px | 300 dpiFree DownloadM.A.C. Dowling. Photograph by L.J. Bruce Chwatt.More