Pavel Kroupa (Australian astrophysicist) Add a review

Pavel Kroupa (born 24 September 1963, Jindřichův Hradec, Czechoslovakia) is a Czech-Australian astrophysicist and professor at the University of Bonn, Germany, where he holds a position at the Helmholtz-Institut für Strahlen- und Kernphysik (HISKP). He also holds an affiliation with the Astronomical Institute of Charles University in Prague, where he was named Professorem Hospitem in 2017.

Kroupa leads the Stellar Populations and Dynamics Research (SPODYR) group. He is internationally recognised for his foundational contributions to the theory of the stellar initial mass function (IMF), the dynamics of binary star systems and star clusters, the Integrated Galactic Initial Mass Function (IGIMF) theory, and for his research critically examining the standard ΛCDM cosmological model and exploring Milgromian dynamics (MOND) as an alternative framework.

He is the author of 389 refereed publications cited more than 32,800 times, with an h-index of 84 as of March 2026. In 2024 he was listed among the top-ranked scholars of all time across all fields by ScholarGPS, as the top scholar at Charles University in Prague and sixth at the University of Bonn.