The year 2022 marks the 100th birthday of Olga Alexandrovna Ladyzhenskaya. To celebrate this event and honor her, the Ladyzhenskaya Prize in Mathematical Physics (OAL Prize) was established. It will be awarded, in its inaugural edition, during the OAL celebration, a joint session organized by (WM)² 2022, the World Meeting for Women in Mathematics  and the Probability and Mathematical Physics ICM satellite event, on July  2 2022 from 10 am to 12:30 am CEST=UTC+2 in Helsinki.