UCLA EPSS Professor Vassilis Angelopoulos has been selected by the American Geophysical Union to give this year’s Space Physics and Aeronomy Section Van Allen Lecture at the AGU Meeting in December 2025. The James Van Allen Lecture is presented biennially to a space scientist who has made significant contributions to the field of magnetospheric science. It is named to honor the life and work of astrophysicist and space pioneer James A. Van Allen. Prof. Angelopoulos is an experimental space physicist. He is the principal investigator of the ELFIN, THEMIS, and ARTEMIS missions, studying space weather phenomena at Earth and the moon’s plasma interaction with its space environment.