The American Institute of Physics announced the winner of the 2020 John Torrence Tate Award for International Leadership in Physics to French astrophysicist Catherine Cesarsky. Named after the celebrated American physicist John Torrence Tate, the Tate medal was established in 1959 and is awarded by AIP every two years to non-U.S. citizens for their leadership, research contributions, and service to the international physics community. Previous winners include Fabiola Gianotti, Roald Sagdeev, and Jean Trân Thanh Vân.