Shocked and saddened to hear of the unexpected passing of sinologist Prof. Dr. Stefan Landsberger this week. If you’re not familiar with his name, you might have come across his work if you’ve ever read anything about Chinese propaganda. Landsberger was a leading authority on the subject, having spent decades—since the late 1970s—collecting an extensive array of posters and conducting thorough research in the field. His collection grew to become one of the largest private collections of Chinese propaganda posters in the world. Landsberger was an Associate Professor of Contemporary Chinese History and Society at Leiden University. In that role, he also taught me Chinese Modern History when I was an undergraduate there. He was a dedicated teacher—often critical, which made him intimidating to some students—but deeply appreciated by most for his brutal honesty and his immense passion for Chinese history and modern Sinology. One memory from 2018 stands out. I was in China as a post-graduate student and took a taxi on a cold and rainy January night in Beijing. During the ride, I struck up a conversation with the driver, who asked me where I was from. When I told him I was Dutch, he proudly shared that he had a Dutch friend—one of his dearest, he said, whom he'd known since the early 1980s. That intrigued me, as I'd never heard anything like that from a Beijing taxi driver before. As we continued talking, he mentioned that his friend was a teacher and then showed me a photo on his phone of them together. I was surprised to see that the man in the picture, smiling warmly beside the taxi driver, was none other than my own teacher Stefan Landsberger. In a city of 21 million people, I had somehow hailed a cab driven by one of Landsberger's oldest friends in the city, whom he had known since he was a student in Beijing. I shared this story with Dr. Landsberger later through WeChat—it made him laugh. This chance encounter left a lasting impression on me, not just because of the coincidence, but because it spoke volumes about Landsberger's enduring love for China and his ability to cultivate deep, lasting friendships. It showed his loyalty, not just to his work and research but to the people and connections he built over decades. Landsberger will be greatly missed. His contributions to the growing body of work on Chinese propaganda are invaluable. This ever-evolving phenomenon can only be fully understood by examining both its current trends and its historical roots—and Landsberger's work will forever be foundational in that effort.