https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13981932Edit ImageSaveSaveEditCropCustom TextJohn Dalton shaking hands with Gerrit Moll, 1834, thanking him for defending British science. Coloured etching by Crichton.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1049 x 1200 px | 300 dpiLarge JPEG 1262 x 1444 px | 300 dpiFree DownloadJohn Dalton shaking hands with Gerrit Moll, 1834, thanking him for defending British science. Coloured etching by Crichton.More