- How it all began...
- The physics explosion
- Four centuries of physics theses
- The coldest place on Earth
- The Leiden jar
- Citation Index A.D. 1758
- Who discovered the electron?
- ...and who the electron spin?
- Colloquium Ehrenfestii
- Fermi in Leiden
- Einstein in Leiden
- Einstein's poem
- Einstein's lost manuscripts
- Who made the Universe expand
- Kubo's view of Leiden
- H.A. Kramers
- H.B.G. Casimir
- C.J. Gorter
- Lorentz & the Solvay conferences
- The Zuiderzee project
- Huygens: Facets of a genius
- Time travel pioneer