Street-Fighting Mathematics: The Art of Educated Guessing and Opportunistic Problem Solving »

Sanjoy Mahajan studied mathematics at the University of Oxford and received a PhD in theoretical physics at the California Institute of Technology. He is now Associate Director of the Teaching and Learning Laboratory and a Lecturer in the Department of Electrical Engineering and Computer Science at MIT. Before coming to MIT, he was a Fellow of Corpus Christi College, Cambridge, and a Lecturer in Physics in the University of Cambridge.

An antidote to mathematical rigor mortis, teaching how to guess answers without needing a proof or an exact calculation.