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:
Archibald Vivian Hill. Photograph of Archibald Hill Transferred from org en transferred to Commons by User Magnus Manske using de php CommonsHelper br Original text The Nobel Foundation Biography of Archibald Hill org html org html The Nobel Prize in Physiology or Medicine org org nlm nih gov br first version