Eric M. Schmidt
Apparently, this user prefers to keep an air of mystery about them.
5 $\mathbb R^3$ can not be a field nov 5 '12
4 A not complete metric space? dec 24 '14
3 Is the Axiom of Choice implicitly used when defining a binary operation on a quotient object? apr 13 '14
2 Rational values of $\sin(\log(x))$ aug 23 '14