albert einstein 1879 1955 best known for developing the theory relativity |
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| navigate by keyword : prize winner philatelic mathematician used man canceled jewish aged celebrity science postmark stamp old post scientist culture scientific symbol theory relativity retro vintage famous physicist professor illustration postage postal philately portrait physics nobel mail german discovery 1994 cuba einstein albert |
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| MADRID, SPAIN - SEPTEMBER 27, 2024. Vintage stamp printed in Cuba shows Albert Einstein (1879 - 1955), best known for developing the theory of relativity |
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