What was albert Einsteins epiphany?

Answer 1

Einstein watched a roofer fall from a steep roof. Much like his earlier observation and musing whether the clocks on stationary persons were telling the exact same time as the conductor's of a moving train, he postulated that there was no gravitational field within the mass of the falling roofer - he was weightless. Einstein claimed this was the most important observation that shaped his scientific life. Newton's apple had become Einstein's doomed roofer.

Answer 2

Albert Einstein had his epiphany about the theory of relativity when he realized that the laws of physics are the same for all observers, regardless of their relative motion. This insight led to the development of his famous theory of relativity, which revolutionized our understanding of space, time, and gravity.