https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/14012824Edit ImageSaveSaveEditCropCustom TextThe Langerhans family: Paul Langerhans with his father, Paul senior, and step-brothers, Robert (left) and Richard (right). Copy photograph, ca. 1960 after the original photograph, 1884.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 2284 x 3306 px | 300 dpiFree DownloadThe Langerhans family: Paul Langerhans with his father, Paul senior, and step-brothers, Robert (left) and Richard (right). Copy photograph, ca. 1960 after the original photograph, 1884.More