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August 1, 2025
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dec 18, 1857 - Birth of JJ Thompson

Description:

-His research in cathode ray s led to the discovery of the electron.
-He proposed the plum pudding model; this theorized model was positively charged pudding imbedded with electrons.

Added to timeline:

1 Oct 2018
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Date:

dec 18, 1857
Now
~ 167 years ago

Images: