Aczel, Peter University of Manchester - Philosophy and foundations of mathematics and computing, mathematical logic, categorical logic. http://www.cs.man.ac.uk/~petera/ Man.ac.uk~Site InfoWhoisTrace RouteRBL Check
Awodey, Steve Carnegie Mellon University - Category theory, logic, history and philosophy of mathematics and logic. http://www.andrew.cmu.edu/user/awodey/ Cmu.edu~Site InfoWhoisTrace RouteRBL Check
Carnielli, Walter A. State University of Campinas, Brazil - Foundations of non-classical logics, many-valued logics, paraconsistent logics, finite and infinite combinatorics. http://www.unicamp.br/cle/carniell.htm Unicamp.br~Site InfoWhoisTrace RouteRBL Check