Oskar Klein Memorial Lecture
The Oskar Klein Memorial Lecture at Stockholm University, dedicated to the memory of the Swedish physicist Oskar Klein (1894-1977), is held annually since 1988 by a prominent physicist, who also receives the Oskar Klein Medal. The lecture is sponsored by the university and the Nobel Committee of the Royal Swedish Academy of Sciences.
Source: Wikipedia — Oskar Klein Memorial Lecture (CC BY-SA 4.0)