https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14011140Edit ImageSaveSaveEditCropCustom TextChristian Gottfied Ehrenberg. Line engraving by J.P. Singer.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1001 x 1200 px | 300 dpiLarge JPEG 2766 x 3316 px | 300 dpiFree DownloadChristian Gottfied Ehrenberg. Line engraving by J.P. Singer.More