Radosław Zagajewski is a mathematician specializing in topology and set theory. He completed his undergraduate and master’s studies at the University of Warsaw, defending theses on the construction of Cayley graphs using universal covering spaces and the Galois-Tukey correspondence in the study of inequalities between cardinal numbers characterizing the continuum.
In the past, he was a trumpet player in the Mokotów Szwoleżerów Orchestra. He is big enthusiast of geology, with a particular fondness for the Devonian limestones of the Świętokrzyskie Mountains. He is also involved in education, having taught at the Uniwersytet Dzieci Foundation, and during the Covid-19 pandemic, he prepared materials for remote mathematics teaching for primary and high schools.