Yan Mingfu, Who Sought to Defuse Tiananmen Powder Keg, Dies at 91
New York Times
As an envoy the to the pro-democracy protesters, Mr. Yan, who was also Mao’s interpreter, tried to find a peaceful way out of the crisis.
https://www.nytimes.com/2023/07/07/world/asia/yan-mingfu-dead.html