Academiegebouw – Chairs Academiegebouw – Lecture room Academiegebouw – Room numbers Academiegebouw – Staircase tower Academiegebouw – Drinks Academiegebouw – Staircase A new Rector for Leiden University Dies natalis of Leiden University Rijks-herbarium Botanisch Laboratorium Old pictures of my office Old pictures of my office Old pictures of my office Meeting room of Leiden Observatory dies natalis of Leiden University: during the rece… Official opening of my office building – Professor… Bakkersteeg (Baker's Alley) Former Pathology Lab of Leiden University Former Pathology Laboratory of Leiden University Former Anatomy and Pathology Lab of Leiden Univers… Former Anatomy Laboratory of Leiden University Former Anatomy Laboratory of Leiden University Former Pathology Laboratory of Leiden University View from the Pieter de la Court building Door knob of the old Pathology Lab of Leiden Unive… Old Anatomy Lab of Leiden University Old Anatomy Lab of Leiden University Sign in the old Pathology Lab of Leiden University Old Pathology Lab of Leiden University Old Pathology Lab of Leiden University Old Pathology Lab of Leiden University – Parlofoon An entrance of the old Pathology Lab of Leiden Uni… Ornament in the Curators's Room in the Academy Bui… View of the old Pathology and new Research buildin… Panorama of the Overwetering terrain Inner courtyard of the old Pathology Lab of Leiden… Old biology lab of Leiden University Kamerlingh Onnes Building Hall of the Old Library of Leiden University Havinga Lecture hall in the Gorlæus Lab of Leiden… De Sitter lecture hall of the Huygens Lab of Leide… Electromagnet at the Huygens Lab of Leiden Univers… Observatory of Leiden University – Dome Hall of the old University Library of Leiden Unive… Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Old University building Hortus Botanicus of Leiden University – Nepenthes Hortus Botanicus of Leiden University – Von Siebol… View of the old Biology department buildings of Le… Academiegebouw – Staircase Sterrewacht Leiden – Telescope Sterrewacht Leiden – View from one of the domes Sterrewacht Leiden – Telescope Sterrewacht Leiden – 24 hours clock Academiegebouw – Entrance View of the old Pathology lab Old sign View from the Gorlæus Laboratory of Leiden Univers… View from the Gorlæus Laboratory of Leiden Univers… View from the Gorlæus Laboratory of Leiden Univers… View from the Gorlæus Laboratory of Leiden Univers… Academiegebouw – Entrance to the Klein Auditorium Academiegebouw – View of the inner courtyard New entrance for the Pieter de la Court building o… Gradus ad parnassum Temporary entrance to the Pieter de la Court build… Sterrewacht Leiden – Lenses Sterrewacht Leiden – Wooden telescope Sterrewacht Leiden – Library Sterrewacht Leiden – Staircase Sterrewacht Leiden – Staircase Sterrewacht Leiden – View of the Observatory Sterrewacht Leiden – Made in Switzerland Academiegebouw – Lecture room Sterrewacht Leiden – Lecture room Sterrewacht Leiden – View of Leiden from one of th… Sterrewacht Leiden – Domes Academiegebouw – Bicycle shed, but now in use as c… Sterrewacht Leiden – Library Sterrewacht Leiden – Opening to the sky Sterrewacht Leiden – Library Academiegebouw – Corridor Academiegebouw – Caricature of mr. N.F. Hofstee Academiegebouw – Corridor Restaurant of the Gorlæus Laboratory of Leiden Uni… Last days of the LAK theater Frans de Waal holding the Freedom Lecture at the P… Crowd after the Freedom lecture in the Pieterskerk Einsteinweg panorama Max Planckweg is weg View of the old Biology department buildings of Le… Einsteinweg panorama View of the old Biology department buildings of Le… Trees removed View of the Rapenburg and the Kaiserstraat in Leid… View of the Kaiserstraat Temporary entrance to the Pieter de la Court build… Temporary entrance to the Pieter de la Court build… Hortus Botanicus of Leiden University – Plant plan… Hortus Botanicus of Leiden University – Dormant Pl… Hortus Botanicus of Leiden University Hortus Botanicus of Leiden University – Nephentes Hortus Botanicus of Leiden University – Von Siebol… Hortus Botanicus of Leiden University Stone wave Observatory of Leiden University – Universal joint Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Leidse Sterrewacht Observatory of Leiden University – gears Restored Observatory of Leiden University Premtime radio at Leiden University