https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13988441Edit ImageSaveSaveEditCropCustom TextCharles A. Lockhart Robertson. Photograph by G. Jerrard, 1881.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 840 x 1200 px | 300 dpiLarge JPEG 2225 x 3179 px | 300 dpiFree DownloadCharles A. Lockhart Robertson. Photograph by G. Jerrard, 1881.More