Röntgen has familiarized us with an order of vibrations of extreme minuteness compared with the smallest waves with which we have hitherto been acqua….

For me photography was the means to the end, but they made it the most important thing. (On the discovery of X-ray photography.).

Great discoveries are made accidentally less often than the populace likes to think..

If the hand be held between the discharge-tube and the screen, the darker shadow of the bones is seen within the slightly dark shadow-image of the ha….

I did not think; I experimented..

There is much to do, and I am busy, very busy..