It is with profound sadness that we mourn the passing of Felix Feng—an incredible father, husband, UCSF leader, pioneering scientist, entrepreneur, mentor, and cherished friend. Felix’s enduring kindness, brilliant mind, generous spirit, and transformative work in prostate cancer research have touched and saved countless lives. His legacy of compassion, innovation, and excellence will continue to inspire us all. My deepest condolences to Mary, Eric, & Emily during this heartbreaking time. May the One who brings Peace bring Peace to All.💔