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:
Theodor Heuss. Theodor Heuss auf Leinwand Von Pfeiffer in die deutschsprachige geladen Photo Pfeiffer Mrz Creator Albert Weisgerber PD Old PDArt since mere reproduction of twodimensional work taken in Germany if for any reason this should not apply the uploader the photograph as GFDL when uploading it to de File Heuss Theodor