General and Special Relativity by Albert Einstein contains his core paper, Relativity, The Special & The General Theory. A Popular Exposition, which established his reputation as one of the greatest thinkers of our and perhaps any age. Also included are the four lectures he gave to explain his findings in more detail: The Meaning of Relativity. Special and General Relativity by Albert Einstein contains his core paper, 'Relativity, The Special & The General Theory. A Popular Exposition', which established his reputation as one of the greatest thinkers of our and perhaps any age. Also included are the four lectures he gave to explain his findings in more detail: 'The Meaning of Relativity'. 
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