https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998292Edit ImageSaveSaveEditCropCustom TextSir William Jackson Hooker. Wood engraving by J. Mahoney, 1865, after T.D. Scott.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1034 x 1200 px | 300 dpiLarge JPEG 2506 x 2907 px | 300 dpiFree DownloadSir William Jackson Hooker. Wood engraving by J. Mahoney, 1865, after T.D. Scott.More