https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13978744Edit ImageSaveSaveEditCropCustom TextFrederick R. Lee Strathy. Photograph by Barclay Bros.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 830 x 1200 px | 300 dpiLarge JPEG 2250 x 3252 px | 300 dpiFree DownloadFrederick R. Lee Strathy. Photograph by Barclay Bros.More