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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. 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 tank rolling down the street."
(b) "Three pink elephants."
(c) "Two dogs in a boat."
(d) "A beaver on a dam."

2. What alias did Ruth Werner use in Oxford, England?
(a) Mrs. Meitner.
(b) Mrs. Brewer.
(c) Mrs. Phillips.
(d) Mrs. Anderson.

3. On what date did General Groves first meet Robert Oppenheimer?
(a) September 18, 1942.
(b) June 19, 1942.
(c) October 8, 1942.
(d) October 21, 1939.

4. Who was Semyon Semyonov's KGB colleague that helped work with him to throw off the scent of the FBI, according to the author in "Rapid Rupture"?
(a) Robert Oppenheimer.
(b) Alexander Sachs.
(c) Luis Alvarez.
(d) Alexander Feklisov.

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

Short Answer Questions

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

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. Where was Donald Hornig studying chemistry when he was offered a confidential job by his lab instructor?

4. Prior to the development of the atomic bomb, where did the largest man-made explosion in history occur?

5. In what year did Adolf Hitler annex Austria into his German Empire?

(see the answer key)

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