Yes twice
Einstein married Mileva Marić on 6 January 1903 and divorced on 14 February 1919.
Then in the same year On 2 June, Einstein married Elsa Löwenthal (née Einstein) - (Elsa was Einstein's first cousin maternally and his second cousin paternally.
a scientist
no
About 154
Eistein, because after him science evolved faster than ever. I would actually think Leonardo DeVinci.
He was a notorious womanizer.
No, the Greeks did.
ETH Zurich
the mass energy equivalence formula
Bose-Eistein Condensate
By using math everyday
He got American Citizenship but he is really a German
Never, because he was never an inventor.