Gabriel Popescu, the William L. Everitt Distinguished Professor in Electrical and Computer Engineering, died on June 16, 2022, while visiting his hometown Prundu, Romania. Gabi was a father and husband, a friend to many, and a luminary scientist and mentor in the field of biophotonics and quantitative phase imaging. The Beckman Institute hosted this memorial service for Gabi on September 30, 2022.