Why does the world remember Einstein as a 'world citizen'?

Why did Einstein write a letter to Franklin Roosevelt?

How did Einstein react to the bombing of Hiroshima and Nagasaki?

Here are some facts from Einstein's life. Arrange them in chronological order.

[ ] Einstein publishes his Special Theory of Relativity.

[ ] He is awarded the Nobel Prize in Physics.

[ ] Einstein writes a letter to US President Franklin D. Roosevelt and warns against Germany's building of an atomic bomb.

[ ] Einstein attends a high school in Munich.

[ ] Einstein's family moves to Milan.

[ ] Einstein is born in the German city of Ulm.

[ ] Einstein joins a University in Zurich, where he meets Mileva.

[ ] Einstein dies.

[ ] He provides a new interpretation of gravity.

[ ] Tired of the school's regimentation, Einstein withdraws from school.

[ ] He works in a patent office as a technical expert.

[ ] When Hitler comes to power, Einstein leaves Germany for the United States.

Here are some sentences from the story. Choose the word from the brackets which can be substituted for the italicized words in the sentences.

1. A few years later, his marriage faltered. (Failed, broke, became weak).

2. Einstein was constantly at odds with people at the university. (on bad terms, in disagreement, unhappy)

3. The newspapers proclaimed his work as "a scientific revolution." (Declared, praised, showed)

4. Einstein got ever more involved in politics, agitating for an end to the arms buildup. (Campaigning, fighting, supporting)

5. At the age of 15, Einstein felt so stifled that he left the school for good. (Permanently, for his benefit, for a short time)

6. Five years later, the discovery of nuclear fission in Berlin had American physicists in an uproar. (in a state of commotion, full of criticism, in a desperate state)

7. Science wasn't the only thing that appealed to the dashing young man with the walrus moustache. (Interested, challenged, worried)