https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14008988Edit ImageSaveSaveEditCropCustom TextIsaac Barrow. Engraving by Pelit, 1759, after "Vandyke".Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 717 x 1200 px | 300 dpiLarge JPEG 1272 x 2130 px | 300 dpiFree DownloadIsaac Barrow. Engraving by Pelit, 1759, after "Vandyke".More