1) What career did you choose?
-Physics and chemistry.
2) What day were you born? and where were you born?
-November 7, 1867 in Warsaw, Poland.
3) Before you have your mastery of physics, what did you do?
- Worked as tutor and governess.
4) What did you do when you had free time?
-I use their free time to study, reading about physics, chemistry and math.