https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13998154Edit ImageSaveSaveEditCropCustom TextSir William Watson Cheyne. Photograph by Bassano Ltd.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 665 x 1200 px | 300 dpiLarge JPEG 1939 x 3500 px | 300 dpiBest Quality JPEG 2007 x 3623 px | 300 dpiFree DownloadSir William Watson Cheyne. Photograph by Bassano Ltd.More