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:
Jack Vance Boat Skipper. This picture was taken by en David Alexander in the early on Jack Vance's boat in San Francisco Bay Alexander has hereby released his copyright to the picture and has placed it in the public domain to be used for any purpose and by anyone who wants to use it as long as he is credited as being the photographer