"I was working with a Crookes tube covered by a shield of black cardboard. A piece of barium platino-cyanide paper lay…"

"Having discovered the existence of a new kind of rays, I of course began to investigate what they would do. … It soon…"

"I am not a prophet, and I am opposed to prophesying. I am pursuing my investigations, and as fast as my results are v…"

"Röntgen retained the characteristic of a strikingly modest and reticent man. Throughout his life he retained his love…"

"Röntgen has familiarized us with an order of vibrations of extreme minuteness compared with the smallest waves with w…"

"The lesson of the laboratory was eloquent. Compared, for instance, with the elaborate, expensive, and complete appara…"

"Röntgen was an experimental physicist of the old school and built most of his own equipment. ...It was Rontgen's cust…"

"The strongest argument for the truth of Christianity is the true Christian, the man filled with the Spirit of Christ.…"

"What Christianity in her antagonism with every form of unbelief most needs is holy living."

"... I was interested in cooking long before I even knew there was a computer. ... I started, I think when I was nine …"