https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13974192Edit ImageSaveSaveEditCropCustom TextDonald John Armour. Photograph by J. Russell & Sons.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 848 x 1200 px | 300 dpiLarge JPEG 2475 x 3500 px | 300 dpiBest Quality JPEG 2800 x 3960 px | 300 dpiFree DownloadDonald John Armour. Photograph by J. Russell & Sons.More