1. Roald Amundsen was the first person to reach the South Pole.

2. Nikita Khrushchev was a tsar of Russia.

3. Harry Houdini was a well-known neurosurgeon.

4. Indira Gandhi was prime minister of Nepal.

5. The first person to walk on the Moon was John Glenn.

6. Albert Einstein believed that mathematics problems should have very complex solutions.

7. Winston Churchill was a cabinet member in two world wars.

8. Karl Marx wrote The Communist Manifesto.