Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

• J. Schaye399 · h 93
• E. V. van Dishoeck306 · h 66
• C. Beenakker257 · h 66
• M. Franx222 · h 111
• H. Röttgering221 · h 76
• I. Labbé2 profiles193 · h 91
• T. Shimwell171 · h 42
• P. V. van Dokkum163 · h 89
• H. Hoekstra161 · h 82
• R. V. van Weeren159 · h 20
• M. Schaller144 · h 53
• M. Hogerheijde143 · h 61

• Leiden Observatory3.6k papers
• Centre National de la Recherche ScientifiqueFR2.4k papers
• Max Planck Institute for AstronomyDE1.4k papers
• European Southern ObservatoryCL1.4k papers
• Max Planck Institute for Extraterrestrial PhysicsDE1.3k papers
• California Institute of TechnologyUS1.1k papers
• University of GroningenNL1.1k papers
• Center for Astrophysics Harvard & SmithsonianUS1k papers
• Royal ObservatoryGB942 papers
• University of AmsterdamNL941 papers
• University College LondonGB886 papers
• University of CambridgeGB870 papers