Across
- 2. What was discovered inside a hollow coin
- 4. a secret location for information used by spies
- 7. The librarian and spy who hid atomic bomb plans in a tissue box
- 8. Russia combined with other Communist countries
- 9. Leader of Soviet Russia
- 10. President at the beginning of the Cold War
Down
- 1. A new super bomb that Pres. Truman announced in 1950
- 3. Visual used by Churchill describing the new "Cold War" in Europe
- 5. Soviet spy living undetected in New York City
- 6. thirteen year old paper boy discovers a special nickel