Matthew, Henry Colin Gray et al., editors. Oxford Dictionary of National Biography. http://www.oxforddnb.com/.
Timeline
1928: The Geiger or Geiger-Müller counter, a device...
Building item
1928
The Geiger or Geiger-Müller counter, a device which detects and measures radioactivity, was produced in a form close to that still in use by Hans Geiger
and Walther Müller
at the University of Kiel
in...