00313nam a2200121Ia 4500082001900000100002200019245003400041260005800075300001400133490003400147500000500181700000500186  a530.1bF911.FP  aFriedrichs, K. O.  aFrom phthagoras to Einsteinb  aWashingtonbMathematical Association of Americac1965  avii, 88p.  aNew Mathematical Libraryv 16  a  a