2. What excuse does Bohr make for Heisenberg regarding this first stop?
(a) He knew he was being watched
(b) He was trying to act invisible
(c) He was embarrassed about being a German
(d) Everybody has always liked him

3. What is Bohr’s religious heritage?
(a) He is Catholic
(b) He is agnostic
(c) He is fully Jewish
(d) He is half Jewish

4. When did Heisenberg try and fail to see the Bohrs for the second time?
(a) 1937
(b) 1938
(c) 1940
(d) 1939

5. What did Schrödinger’s animal have with it?
(a) A treat
(b) A shotgun
(c) Cyanide
(d) Nothing

6. How often has Bohr gone sailing since Heisenberg last saw him?
(a) Rarely
(b) Every summer
(c) Not at all
(d) Occasionally

7. To what does Bohr compare fission?
(a) Magic
(b) Cooking
(c) An hourglass
(d) Alchemy

8. What is the main barrier between Heisenberg and Bohr at the beginning of the former’s visit?
(a) Jealousy
(b) Their nationalities
(c) A romantic relationship
(d) Margrethe

9. When did Heisenberg first leave Copenhagen?
(a) 1913
(b) 1947
(c) 1941
(d) 1927

10. How does Heisenberg refer to Weizsacker?
(a) Your friend
(b) Our enemy
(c) Our friend
(d) Your enemy

11. What is the name of the Bohr’s son who features most prominently in the play?
(a) Niels
(b) Wilhelm
(c) Christian
(d) Sven

12. According to Heisenberg, how do people usually react to Bohr?
(a) With love
(b) With mistrust
(c) With annoyance
(d) With mild admiration

13. How does Margrethe claim that Bohr reacted to Heisenberg?
(a) With confusion
(b) With ignorance
(c) Calmly
(d) Angrily

14. Where does Heisenberg invite Bohr?
(a) To Germany
(b) To the USA
(c) To Elsinore
(d) To Tisvilde

15. What fallacious claim did Bohr initially make about fission?
(a) It cannot be used to produce weapons
(b) Cadmium is unnecessary
(c) The Americans must master it
(d) Germany will never understand it