Purpose and plan -- Relativity theory and quantum theory -- Portrait of the physicist as a young man -- Entropy and probability -- The reality of molecules -- "Subtle is the Lord-- " -- The new kinematics -- The edge of history -- "The happiest thought of my life" -- Herr Professor Einstein -- The Prague papers -- The Einstein-Grossmann collaboration -- Field theories of gravitation : the first fifty years -- The field equations of gravitation -- The new dynamics -- "The suddenly famous Doctor Einstein" -- Unified field theory -- Preliminaries -- The light quantum -- Einstein and specific heats -- The photon -- Interlude : the BKS proposal -- A loss of identity : the birth of quantum statistics -- Einstein as a transitional figure : the birth of wave mechanics -- Einstein's response to the new dynamics -- Einstein's vision -- The final decade -- Epilogue -- Of tensors and a hearing aid and many other things : Einstein's collaborators -- How Einstein got the Nobel prize -- Einstein's proposals for the Nobel prize -- An Einstein chronology.