General Overview ----------------
Samuel Eilenberg Saunders Mac Lane
_Recent Math Field_ 1942-45, Samuel Eilenberg & Saunders Mac Lane Certainly one of the more abstract branches of math - _New math foundation_ formalism abstraction, package entire theory - _Bridge between disciplines_ Physics, Quantum Physics, Topology, Logic, Computer Science

★: When is one thing equal to some other thing?, Barry Mazur, 2007
☆: Physics, Topology, Logic and Computation: A Rosetta Stone, John C. Baez, Mike Stay, 2009