https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14010973Edit ImageSaveSaveEditCropCustom TextSir John Frederick William Herschel. Line engraving by F. Croll after J. Mayall.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 691 x 1200 px | 300 dpiLarge JPEG 2014 x 3500 px | 300 dpiBest Quality JPEG 2074 x 3604 px | 300 dpiFree DownloadSir John Frederick William Herschel. Line engraving by F. Croll after J. Mayall.More