Something I know nothing about/learn 3 things about it

I have a new goal and that is to learn 3 things about something a know nothing about. Today is the first of many since I LOVE to learn new things.

Today, I will learn three things about Albert Einstein

1. He was born to a jewish family in Ulm, Wutternburg Germany on March 14, 1879 –and died n 17 April 1955 of an aortic aneurysm.
2. He is best known for his theory of relativity and specifically mass-energy equvilance, E = mc 2.
3. Einstein became a citizen of the United States in 1940.