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This quiz consists of 5 multiple choice and 5 short answer questions through "The Gatekeeper" – "Two Inside".

Multiple Choice Questions

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

2. How old was Dorothy McKibben in March of 1943?
(a) 39.
(b) 33.
(c) 50.
(d) 45.

3. From where did Poulsson's team order skis and boots prior to their mission at the Vemork power plant?
(a) The United States.
(b) Iceland.
(c) Canada.
(d) Switzerland.

4. Who was Robert Oppenheimer's assistant leading the first meeting at the Los Alamos Ranch School?
(a) Jens Poulsson.
(b) Enrico Fermi.
(c) Luis Alvarez.
(d) Robert Serber.

5. How many barrels of heavy water were loaded onto the ferry to be transported from the Vemork plant when Haukelid rigged a bomb on the ferry?
(a) 20 barrels.
(b) 50 barrels.
(c) 40 barrels.
(d) 70 barrels.

Short Answer Questions

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

2. What was the population of Santa Fe, New Mexico, in 1943?

3. Who informed Robert Oppenheimer about the German chemists finding the uranium could be split, according to the author in "The U Business"?

4. When did Robert Oppenheimer abandon his date in a car, according to the author in "Skinny Superhero"?

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

(see the answer key)

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