I'd also add Sergei Brin, the Google co-founder; Madeleine Albright, the first US Secretary of State; Nicola Tesla, the genius inventor who contributed so much to the development of modern technology; Joseph Pullitzer - no need of introduction; Arnold Schwarzenegger, the Hollywood superstar turned California governor; Nathalie Portman, the hugely talented actress; etc, etc, ETC.
Einstein is probably the most prominent of these. Imagine what the world would've looked like if Einstein was denied asylum in the US and remained in Europe, only to probably end up on a train bound for the gas chambers. No understanding or relativity, no quantum physics, no nothing.
Of course, many of the above names had a skin color that probably matched the standards that the current US administration is trying to impose:
So that may explain a lot. Or not.