Fin-de-siècle physics: a world picture in flux -- The world of physics -- Discharges in gases and what followed -- Atomic architecture -- The slow rise of quantum theory -- Physics at low temperatures -- Einstein's relativity, and others' -- A revolution that failed -- Physics in industry and war -- Science and politics in the Weimar republic -- Quantum jumps -- The rise of nuclear physics -- From two to many particles -- Philosophical implications of quantum mechanics -- Eddington's dream and other heterodoxies -- Physics and the new dictatorships -- Brain drain and brain gain -- From uranium puzzle to Hiroshima -- Nuclear themes -- Militarization and megatrends -- Particle discoveries -- Fundamental theories -- Cosmology and the renaissance of relativity -- Elements of solid state physics -- Engineering physics and quantum electronics -- Science under attack--physics in crisis? -- Unifications and speculations -- Nobel physics -- A century of physics in retrospect