https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14015636Edit ImageSaveSaveEditCropCustom TextSir William Knighton. Line engraving by W. Greatbach, 1838, after Sir T. Lawrence.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 818 x 1200 px | 300 dpiLarge JPEG 2299 x 3372 px | 300 dpiFree DownloadSir William Knighton. Line engraving by W. Greatbach, 1838, after Sir T. Lawrence.More