Physicist Norris Bradbury at age of 16 on a motorcycle. Norris Bradbury
was a professor of physics at Stanford University who did research on ion mobility and atmospheric ion physics. He worked on the
and was Director of the
Los Alamos National Laboratory
from 1945 to 1970.
photographs of alpha and beta Calutrons at Oak Ridge.
The Oral History Project of the Department of Chemistry and Chemical Biology at Cornell University has a 90 minute streaming video interview of mass spectrometry pioneer Fred McLafferty (Apple
Google Books has a digitized and searchable versions of J. J. Thomson’s Rays of Positive Electricity and Their Application to Chemical Analyses both the 1913 Edition as well as the 1921 Edition. There are also downloadable PDFs of the books.
Several photos of
the 1940 Nier Mass Spectrograph are online at the National Museum of American History. Alfred Nier built this instrument to separate 235U from 238U and test the prediction that the former undergoes fission ( via).
Calutron operator in the right foreground of the famous photograph tells her story.