https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13977763Edit ImageSaveSaveEditCropCustom TextOliver Wendell Holmes. Stipple engraving by H.W. Smith, 1858.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 816 x 1200 px | 300 dpiLarge JPEG 1860 x 2734 px | 300 dpiFree DownloadOliver Wendell Holmes. Stipple engraving by H.W. Smith, 1858.More