Question

who developed the theory of relativity? ​

Answer 1

Answer:

Albert Einstein

Albert Einstein, in his theory of special relativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.

Answer 2

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \boxed{Albert \: \: Einstein}$

Albert Einstein, in his theory of special relativity, determined that the laws of physics are the same for all non-accelerating observers, and he showed that the speed of light within a vacuum is the same no matter the speed at which an observer travels.