Renowned as a pioneer in operations research and affectionately known as \"Doctor Queue,\" Richard C. Larson has redefined the boundaries of service science and education. As a distinguished professor at MIT, Larson’s groundbreaking work has shaped how complex service systems are understood, optimized, and applied across sectors—from healthcare and urban infrastructure to online learning. His visionary approach merges analytical rigor with human-centered design, making him a true architect of modern service systems and a trailblazer in digital and experiential education. Through decades of innovation, mentorship, and public service, Larson continues to inspire the next generation of thinkers, leaders, and changemakers.