How well known is the Mathematician John Milnor in his field?

Milnor is a legend. His discovery of exotic structures on 7-dimensional spheres is widely celebrated. His notes on differential topology are classic and lauded as one of the great works of mathematical exposition. read more

Alberto is best known for his work on the theory of partial differential equations and singular integral operators. Alberto is widely considered as one of the 20th century's most important mathematicians. read more

John Willard Milnor (born February 20, 1931) is an American mathematician known for his work in differential topology, K-theory and dynamical systems. Milnor is a distinguished professor at Stony Brook University and one of the four mathematicians to have won the Fields Medal, the Wolf Prize, and the Abel Prize (along with Pierre Deligne, Jean-Pierre Serre, and John G. Thompson). read more