"Our century has seen the creation of new means of doing research. In particular, the electron microscope and chemical and biochemical methods of analysis have revolutionized our knowledge of the foundations of life..."
"You can observe a lot by watching."
"Its pictures had for me the effect of the song of a mermaid: irresistible and half transparent."
"We replaced the wave length of the light by the wave length of electrons at an accelerating voltage of 75 kV and inserted into the Abbe relation the imaging accelerating voltage of 75 kV and inserted into the Abbe relation the imaging accelerating voltage of 75 kV and inserted into the Abbe relation the imaging aperture of 2 X 10-2 rad...we came up with a resolution limit of 2.2 Å ."
"... fluorescence microscopy in its early years was considered a specialized method which, in the opinion of some, was doomed to fail. "
"The interesting basic questions in that field are extremely hard and may never be answered, and to survive as a scientist you have to work on answerable questions."
"I was half asleep, thinking, 'How the heck can you stretch a magnetic field to straighten it up, to make it really circular, instead of slightly elliptical?' "