Key People in the History of Rockets

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Across
  1. 4. The first person in space.
  2. 5. A German scientist who designed the Saturn V moon rocket.
  3. 7. The second person to step foot on the moon.
  4. 10. The third member on the Apollo 11 moon landing mission who stayed in lunar orbit.
  5. 12. The first American to travel to space.
  6. 14. The first person to step foot on the moon.
Down
  1. 1. A Russian astronaut.
  2. 2. Romanian scientist who proposed practical rocket designs and space stations in 1930.
  3. 3. In the 1600's he discovered inertia.
  4. 5. In the 16th century he constructed a chair and attached gunpowder rockets to its base.
  5. 6. In 1920, he built the first liquid propellant rocket. Is considered the father of modern rocketry.
  6. 8. A Russian school teacher who in 1903 wrote about human space flight. Is considered the father of cosmonautics.
  7. 9. In the 1700's he discovered 3 laws of motion.
  8. 11. The first American to orbit the Earth.
  9. 13. A person from the United States who has traveled to space.