“I feel like a hostage to fortune. Not that I am complaining. I wanted to play the role. But in truth I didn't think the show would be such a success. OK, I thought it would fail. Not because it was bad. I was confident it was good, but plenty of good things just sort of wither on the vine.”

“For in 1900 all electromagnetic radiation of longer wavelengths was already known at least to the extent that one could not seek in it the more striking characteristics of X-rays such as, for example, the strong penetrating power.”