Introduction to part I

3-18

On Gauss and Gaussian legends

a quiz

19-28

Gauss, Dirichlet, and the law of biquadratic reciprocity

29-39

Episodes in the Berlin-Göttingen rivalry, 1870–1930

41-49

Deine Sonia

a reading from a burned letter by Reinhard Bölling, translated by D. E. Rowe

51-56

Who linked Hegel's philosophy with the history of mathematics?

57-65

Introduction to part II

69-79

Models as research tools

Plücker, Klein, and Kummer surfaces

81-94

Debating Grassmann's mathematics

Schlegel vs. Klein

95-103

Three letters from Sophus Lie to Felix Klein on mathematics in Paris

105-109

Klein, Mittag-Leffler, and the Klein-Poincaré correspondence of 1881–1882

111-133

Introduction to part III

137-149

Hilbert's early career

151-169

Klein, Hurwitz, and the "Jewish question" in German academia

171-182

On the background to Hilbert's Paris lecture "Mathematical problems"

183-194

Poincaré week in Göttingen, 22–28 april 1909

195-202

Introduction to part IV

205-218

Hermann Minkowski's Cologne lecture, "Raum und Zeit"

219-232

Max von Laue's role in the relativity revolution

233-241

Euclidean geometry and physical space

243-251

The mathematicians' happy hunting ground

Einstein's general theory of relativity

253-261

Einstein's gravitational field equations and the Bianchi identities

263-271

Puzzles and paradoxes and their (sometimes) profounder implications

273-278

Debating relativistic cosmology, 1917–1924

279-299

Remembering an era

Roger Penrose's paper on "Gravitational collapse"

301-311

Introduction to part V

315-330

Hermann Weyl, the reluctant revolutionary

331-341

Transforming tradition

Richard Courant in Göttingen

343-355

Otto Neugebauer and the Göttingen approach to history of the exact sciences

357-368

On the myriad mathematical traditions of ancient Greece

369-374

The old guard under a new order

K. O. Friedrichs meets Felix Klein

375-377

An enchanted era remembered

interview with Dirk Jan Struik

379-391

Introduction to part VI

395-405

Is (was) mathematics an art or a science?

407-411