Einstein was a revolutionary physicist and scientist who published over 300 scientific works. He received the 1921 Nobel Prize in Physics for his work on the photoelectric effect. Some key lessons from Einstein include following your curiosity, persevering through challenges, focusing on the present moment, using your imagination, learning from mistakes, living in the moment, creating value for others, changing behaviors to achieve different results, gaining knowledge through experience, and learning the rules before attempting to improve the game.