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:
JamesSethian. en December James Sethian picture in his room in the Math Department University of California Berkeley USA Picture by Adalien Hulmer May Transferred from org en transferred to Commons by User Premeditated Chaos using de php CommonsHelper Original uploader was Danicyber at org en Released into the public