George Gershwin helped spread jazz and ragtime music to white people. Before that, jazz was a predominantly black music and was considered too raucous to white people. Gershwin made it popular because he too was white.
Before Einstein, it was believed that science was just all about compact summaries and experience during research. When Einstein arrives on the scene, his theory of relativity was able to open new paths towards complicated mathematical equations that other scientists didn't know about. This opened up tons of opportunities that shaped up science and how we calculate various mathematical problems that can be used in various aspects of the world.
They were very friendly and giving towards him. Trying to give him various things such as parrots, balls of cotton, and spears. Hope this helps!
Buddhism actually originated in India so it goes against something like Doisom in china + the religion side of it is very different yet share some traits like meditation.