Well-written, but densely mathematical. Even though I didn't understand the math, I got the gist. It's a good overview of the history of Mathematics.

Doings of such mathematicians (or physicists) as Euclid, Khayyam, Cardano, Gauss, Abel, Galois, Lindemann, Hamilton, Lie, Killing, Einstein, Heisenberg, Dirac, Kaluza, and Witten. Stewart is one of the best math authors.