He developed the special and general theories of relativity and won the Nobel Prize in Physics in 1921 for his explanation of...
उनलाई सैद्धांतिक भौतिकी, खासगरि प्रकाश-विद्युत प्रभावको खोजको लागि १९२१ मा नोबेल पुरस्कार प्रदान गर्‍यो...