https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13956004Edit ImageSaveSaveEditCropCustom TextPierre Richet (1904-1983). 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 1200 x 836 px | 300 dpiLarge JPEG 3348 x 2332 px | 300 dpiFree DownloadPierre Richet (1904-1983). Photograph by L.J. Bruce-Chwatt.More