Throw Back Thursday – The Cyclotron

HP60-Inch%20CyclotronThe 60-inch cyclotron (circa August 1938) was an enormous machine for its day. It used a magnet weighing 220 tons (shown here). Dr. Ernest Lawrence would later build a 184-inch cyclotron and go on to win the Nobel Prize in what year? Extra points if you can name the man at the top with a pipe in his mouth.

Author: Moderator

Public Affairs Officer for the U.S. Nuclear Regulatory Commission

13 thoughts on “Throw Back Thursday – The Cyclotron”

  1. The fellow with the pipe looks like Robert Oppenheimer to me.

    Joe Gilliland

    Sent from my iPad


  2. Robert Oppenheimer is seated at the top with his signature pipe. Earnest Lawrence won the Nobel Prize in Physics in 1939, for “for the invention and development of the cyclotron and for results obtained with it, especially with regard to artificial radioactive elements,” according to

  3. Ah yes, those were meaty days of breaking new ground, new science, accelerating particles. A real team effort. Its exciting just reviewing it. But in retrospect, many would not be so excited to see the radiations and bomb destruction that their efforts led to.

  4. Nobel Prize in physics in 1939

    I think the gentleman with the pipe is Robert Oppenheimer

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