All the great minds of history lived so close together and ever since we haven’t had nearly as many. The last real Genius was Stephen Hawking. In the 40s we had Oppenheimer Einstein Fermi Bohr
And just 10 years before that we had Edison Tesla and Curie.
A lot of them were discredited in their lifetimes and politicians essentially blackballed them in the public’s eyes.
Most simply by calling communists.
It’s just wicked.