Quotes from Marcia Bartusiak

But in reality what Einstein had done was devise a theory that was decades ahead of its time. Experimental measurements had to catch up to his model of gravity, which had been fashioned from pure intuitive thought.

But Slipher felt he needed to acquire an even better spectrum to peg the exact speed. It was an endeavor, he told Lowell, that "would doubtless impress all these observers as a quite hopeless undertaking, and maybe it is, but I want [to] make an attempt.