https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/13969693Edit ImageSaveSaveEditCropCustom TextAn anxious man comparing his own head to a skull, using the technique of phrenology. Oil painting by Theodore Lane, 182-.Original public domain image from Wellcome CollectionMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 899 x 1200 px | 300 dpiLarge JPEG 2350 x 3136 px | 300 dpiFree DownloadAn anxious man comparing his own head to a skull, using the technique of phrenology. Oil painting by Theodore Lane, 182-.More