No, according to the inquiry made by official website of Yellow River Conservancy Vocational and Technical College, Professor Yan of Yellow River Conservancy College did not die as of June 65438+1October 6, 2023. Yan, a professor at Huanghe Water Conservancy Vocational and Technical College, graduated from Zhengzhou University with a master's degree in hydraulic structural engineering in 2006, and has been teaching at Huanghe Water Conservancy Vocational and Technical College since 2006. During the period, I was a doctoral student majoring in water conservancy engineering at Three Gorges University, and my main research direction was green.