Wang Zikun is not dead. Now I live with my wife in a retirement community in the suburbs of Beijing. Wang Zikun, born in 1929, Ji 'an, Jiangxi. Mathematician, an academician of China Academy of Sciences, currently lives with his wife in the old-age community in the suburbs of Beijing, and is one of the pioneers and main leaders of probability theory research in China. 1952 graduated from the Mathematics Department of Wuhan University; 1958 Graduated from the Department of Mathematical Mechanics, Moscow University, with an associate doctor. 1952- 1984 taught at Nankai university, and became a professor at Beijing normal university after 1984. He used to be the president of Beijing Normal University and the director of the Institute of Mathematics of Shantou University. He is the author of the Foundation and Application of Probability Theory, Stochastic Process Theory, Birth and Death Process and Markov Chain, and Vertical and Horizontal Discussion of Scientific Discovery.