This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NBSPersonnel . Depicted row one Eagan Benjamin Johnson Eva Johnson Eva row two Cordlro Hayworth Vanceman White Mary row three Keat Buehler Markle Schultze National Institute of Standards and Technology National Institute of Standards and Technology The images in the NBS Personnel of Photographic Collection are in the public domain