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This quiz consists of 5 multiple choice and 5 short answer questions through "On the Cliff" – "High Concentration".

Multiple Choice Questions

1. When was Robert Oppenheimer born?
(a) November 1, 1914.
(b) April 22, 1904.
(c) May 22, 1908.
(d) December 11, 1910.

2. How old was Robert Oppenheimer when he first voted in a presidential election?
(a) 41.
(b) 32.
(c) 26.
(d) 36.

3. That former partner did Otto Hahn write first when he first discovered that uranium atoms could be split, according to the author in "The U Business"?
(a) Robert Oppenheimer.
(b) Lewis Strauss.
(c) Klaus Fuchs.
(d) Lise Meitner.

4. Where did Semyon Semyonov earn an engineering degree?
(a) The University of California, Berkeley.
(b) The Massachusetts Institute of Technology.
(c) The University of New York.
(d) Harvard University.

5. Who delivered Albert Einstein's letter regarding the potential development of a German atomic bomb to the President of the United States?
(a) Alexander Sachs.
(b) Scott Miller.
(c) Luis Alvarez.
(d) Robert Oppenheimer.

Short Answer Questions

1. How old was Jens Poulsson when he was chosen as the leader of a special mission to attack the Vemork power plant?

2. Who was the Secretary of War that wrote to the school director of the Los Alamos Ranch School to inform him of its acquirement for military purposes?

3. Who was the British Colonel that relayed Poulsson's mission regarding the Vemork power plant?

4. On what date did General Leslie Groves take command of the Manhattan Project?

5. What is the atomic number of uranium?

(see the answer key)

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