Old sign torn down Old font of Leiden University Building a new entrance Signatures of famous physicists at the Huygens Lab… Signatures of famous physicists at the Huygens Lab… Signatures of famous physicists at the Huygens Lab… Signatures of famous physicists at the Huygens Lab… Maliebaan Huygens and Gorlæus Laboratories of Leiden Univers… dies natalis of Leiden University: prof. Vincent I… dies natalis of Leiden University: mr. Rob Hazelho… dies natalis of Leiden University: the mayor of Le… dies natalis of Leiden University: professor on th… dies natalis of Leiden University: musical interme… dies natalis of Leiden University: during the rece… dies natalis of Leiden University: entrance of the… dies natalis of Leiden University: St. Peter's Chu… dies natalis of Leiden University: The St. Peter's… dies natalis of Leiden University: protest against… dies natalis of Leiden University: reserved for pr… dies natalis of Leiden University: entrance of the… dies natalis of Leiden University: during the proc… dies natalis of Leiden University: entrance of the… dies natalis of Leiden University: protest against… dies natalis of Leiden University: The St. Peter's… dies natalis of Leiden University: The St. Peter's… dies natalis of Leiden University: protest against… Stained-glass window depicting prof. Pieter Zeeman Workshop of the Faculty of Science of Leiden Unive… Workshop of the Faculty of Science of Leiden Unive… Stained-glass window depicting prof. Hendrik Loren… Workshop of the Faculty of Science of Leiden Unive… Stained-glass window depicting prof. Pieter Zeeman Floor of the workshop of the Faculty of Science of… Pieter de la Court building of Leiden University Workshop of the Faculty of Science of Leiden Unive… Workshop of the Faculty of Science of Leiden Unive… Workshop of the Faculty of Science of Leiden Unive… Old sign of the Anatomy & Embryology lab of Leiden… Old sign of Leiden University with "Rijksuniversit… Old sign of Leiden University with "Rijksuniversit… Lipsius building of Leiden University Access to the botanical garden of Leiden Universit… Preparing the ground for a new building The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… The renovation works of the Academy Building of Le… Official opening of my office building – Part of t… Official opening of my office building – View of t… Official opening of my office building – Colleague… Official opening of my office building – Nuts Official opening of my office building – Speech by… Official opening of my office building – Leiden is… Staircase of the Leiden University administration… Names of the faculties on the door of the Academy… Two buildings Old stone of Botanical Laboratory of Leiden Univer… More flesh-eating plants at the Botanical Garden o… The Amorphophallus Titanum after blooming Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Academy Building of Leiden University Claude Bernard and Ivan Petrovitch Pavlov Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… Opening of the academic year of Leiden University:… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Garden of Leiden Universi… A visit to the Botanical Gardens of Leiden Univers… Former Botanical Laboratory of Leiden University Old signs of Leiden University Old signs of Leiden University Old signs of Leiden University Old signs of Leiden University A look around at the new office: entrance of the g… A look around at the new office: artwork A look around at the new office One of the oldest buildings of Leiden University A look around at the new office: cog wheels of the… A look around at the new office: old sign A look around at the new office: workman A look around at the new office: the building of t… A look around at the new office: workman A look around at the new office: my new office to… 433rd dies natalis of Leiden University: graveston… 433rd dies natalis of Leiden University: professor… 433rd dies natalis of Leiden University: St. Peter… 433rd dies natalis of Leiden University: the proce… 433rd dies natalis of Leiden University: former Re… 433rd dies natalis of Leiden University: student 433rd dies natalis of Leiden University: retired p… 433rd dies natalis of Leiden University: windows o… 433rd dies natalis of Leiden University: the Beadl… 433rd dies natalis of Leiden University: prof. Lou… 433rd dies natalis of Leiden University: student p…