https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13953196Edit ImageSaveSaveEditCropCustom TextHead of "a backward boy" divided into four cerebral lobes: profile. Ink drawing with watercolour, c. 1900.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 891 x 1200 px | 300 dpiLarge JPEG 2542 x 3422 px | 300 dpiFree DownloadHead of "a backward boy" divided into four cerebral lobes: profile. Ink drawing with watercolour, c. 1900.More