https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13985029Edit ImageSaveSaveEditCropCustom TextGottfried Wilhelm, Baron von Leibniz: portrait, and facsimile of letter to Sir Hans Sloane about the discovery of calculus. Process print.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 709 x 1200 px | 300 dpiLarge JPEG 2069 x 3500 px | 300 dpiBest Quality JPEG 2141 x 3622 px | 300 dpiFree DownloadGottfried Wilhelm, Baron von Leibniz: portrait, and facsimile of letter to Sir Hans Sloane about the discovery of calculus. Process print.More