>Arthur Eddington finally got a clear sky during the 1919 >eclipse and got the images... but they were debated for years >- for reasons of accuracy. And for many decades the >experiment was repeated, just for confirmation, with each >accessible eclipse. And as time went on they got better at >measuring that arc-second.
>Einstein constructed a theory that is quite difficult to prove >or disprove. He is probably laughing in his grave
Here is a picture of the "Einstein Tower" in Potsdam/Germany. The tower was specifically built to conduct these kinds of experiments. I photographed it because of the interesting architecture.