> David Hilbert came up with a different way of deriving general relativity at about the same time as Albert Einstein But he did that only after having Einstei

> David Hilbert came up with a different way of deriving general relativity at about the same time as Albert Einstein But he did that only after having Einstein visit him for several weeks in the summer of 1915 and having long discussions with Einstein about the latter's ongoing efforts to discover a general theory of relativity. AFAIK Hilbert himself acknowledged that his final effort was only possible because of all the work that Einstein had already done.