Well Peter is famous enough but I don't think that is his avatar picture!
1- Looking at file name, didn't help me a bit.
2- The Narration that goes with image, suggest its been a property of Associated Press and being B&W, possibly 50-60s era.
3- Tried to be smarty pants and did a reverse engineering with PS and best I can come with, after a quick trial are the images in attachment.
4- Best educational guess as to answer the question: No clue!
But then gut feeling goes for either Albert Einstein or Winston Churchill...