A Nobel Laureate relates the fascinating story of Einstein & the development of relativity theory. Perfect for readers without a scientific background, it discusses the meaning of time, gravity & its effect on light, non-Euclidean geometry & the curving of space-time etc. 189 black-&-white illustrations. Preface A Conflict Brought to Light Marking Time E=mc[superscript 2] A Matter of Gravity Geometry & Physics At the Frontier Sources of the Illustrations Index