https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14004523Edit ImageSaveSaveEditCropCustom TextJohann Bernoulli. Line engraving by E. Ficquet after J. Huber.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 850 x 1200 px | 300 dpiLarge JPEG 1362 x 1923 px | 300 dpiFree DownloadJohann Bernoulli. Line engraving by E. Ficquet after J. Huber.More