Albert Einstein

Who is he?
A German-born theoretical physicist who developed the theory of relativity. one of the 2 pillars of modern physics alongside quantum mechanics.

What did he do?
he was most famous for his theory of relativity, find out about gravity relatit and einstein quantum description of light (for which he has rewarded the nobel prize.

Why did he win a nobel prize?
for his services to the theoretical physicsand especially for his descovery of the law of the photoelectric effect and reseved his nobel prize 1 year later in 1922.

Effects on today:
he is the one who made timezones so we have 24 hour days and so we know the times of the day and so we kow when it starts going dark and light.