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

2. Where was mathematician Stanislaw Ulam working when he was invited to a project for special war work?
(a) Harvard University.
(b) The University of Wisconsin.
(c) Princeton University.
(d) The Massachusetts Institute of Technology.

3. When did Robert Oppenheimer abandon his date in a car, according to the author in "Skinny Superhero"?
(a) March, 1932.
(b) July, 1941.
(c) September, 1933.
(d) February, 1934.

4. What was Poulsson's answer to the pre-arranged security question, "What did you see walking down the Strand in the early hours of January 1, 1941?"
(a) "A beaver on a dam."
(b) "Three pink elephants."
(c) "A tank rolling down the street."
(d) "Two dogs in a boat."

5. What is the atomic number of uranium?
(a) 180.
(b) 92.
(c) 96.
(d) 72.

Short Answer Questions

1. How far did the British plane drop Poulsson's team from their intended drop target on the Vemork mission?

2. When did Adolf Hitler take over as Chancellor of Germany?

3. On what date did Robert Oppenheimer and Leslie Groves first visit the Los Alamos Ranch School to examine it as a site for testing?

4. Who did Peter Ivanov send to talk to Robert Oppenheimer and feel out his Communist sensibilities at Berkeley?

5. Where did Klaus Fuchs earn his PhD?

(see the answer key)

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