Hans Geiger and Ernest Rutherford Free People Check 

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Ernest Rutherford

chemed.chem.purdue.edu
Rutherford and his assistant, Hans Geiger, would sit in the dark until his eyes became sensitive enough. They would then try to count the flashes of light given off ...

Quantum Theory Timeline

particleadventure.org
Hans Geiger and Ernest Marsden, under the supervision of Ernest Rutherford, scatter alpha particles off a gold foil and observe large angles of scattering, ...
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