Dirichlet-to-Neumann comments on The Myth of the Myth of the Lone Genius

[Dirichlet-to-Neumann]

Ramanujan and Galois are textbook exemples of mathematicians who would have had a much bigger impact if they had not been as isolated. (And Ramanujan most productive period was when he was working with Hardy and Littlewood).

Also, Erdos.