https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13983663Edit ImageSaveSaveEditCropCustom TextSir Charles Scott Sherrington. Process print by Walter Thomas.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 829 x 1200 px | 300 dpiLarge JPEG 2244 x 3248 px | 300 dpiFree DownloadSir Charles Scott Sherrington. Process print by Walter Thomas.More