How time did Einstein waste on a unified field theory

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The discussion centers on Einstein's pursuit of a unified field theory, which became increasingly challenging after the discovery of the weak force around 1953. Participants debate the value of Einstein's efforts, noting that while he did not achieve a successful unification of forces, his work contributed significantly to advancements in relativity and quantum physics. The conversation emphasizes that Einstein's endeavors were not a waste of time, as they led to new insights and understanding in the scientific community, despite the lack of a conclusive theory.
g.lemaitre
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The weak force was not discovered until 1953 or thereabouts so that pretty much made Einstein's attempt to unify all forces an impossible task. Does anyone know how much time he wasted on trying to find a unified field theory? Other than write a paper on gravitational lensing and the EPR paradox did he make a lot of contributions after the discovery of GR?
 
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I wouldn't say that he "wasted" any time on it! While he was not ultimately successful, what he did was worthwhile in itself and lead to new insights into both relativity and quantum physics.
 

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