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

• L. Testi275 · h 92
• R. Ivison2 profiles170 · h 121
• E. Emsellem158 · h 84
• P. Rosati2 profiles158 · h 84
• J. Fynbo2 profiles141 · h 60
• D. Minniti140 · h 64
• M. Rejkuba135 · h 44
• C. Manara128 · h 40
• M. Hilker127 · h 52
• H. Kuntschner112 · h 61
• A. Renzini111 · h 124
• S. Hubrig111 · h 32

• Centre National de la Recherche ScientifiqueFR3.5k papers
• National Institute for AstrophysicsIT1.8k papers
• Max Planck Institute for AstronomyDE1.8k papers
• Max Planck Institute for Extraterrestrial PhysicsDE1.5k papers
• California Institute of TechnologyUS1.5k papers
• Space Telescope Science InstituteUS1.5k papers
• Leiden UniversityNL1.4k papers
• Center for Astrophysics Harvard & SmithsonianUS1.3k papers
• Osservatorio Astronomico di PadovaIT1.3k papers
• University of CambridgeGB1.2k papers
• Observatoire de ParisFR1.2k papers
• Instituto de Astrofísica de CanariasES1.2k papers