Bilde
![Egil A. Hylleraas in his Office in 1954. Photo: MUV/University of Oslo](/sites/default/files/styles/1_3_content_width/public/archive_img/_aim_dnva_70_59_storage_file.image.png?itok=TraP4U_1)
The Hylleraas Symposium is a celebration of the achievements of Egil A. Hylleraas. His work on the helium atom in the 1920s confirmed the validity of quantum mechanics for many-particle systems and probably represents the first important use of computing in physics.