Prompt
Create a realistic portrait of Sir Joseph Rotblat, a middle-aged to elderly man with a gentle and introspective expression, wearing formal attire, possibly a suit and tie, with a subtle background that hints at his connection to science and peace activism, such as a bookshelf with physics or peace studies books, or a subtle image of the Pugwash Conferences logo; the style should be a dignified and realistic representation, suitable for a prominent physicist and peace activist.
