Brief introduction of Zhang Guang Zhang Guang is one of the four members of Qimen. He is from Xi’an. Shao Weihua mentioned in his book “Book of Changes and Forecasting” which caused the Chinese mathematics craze that the opportunity for Shao himself to embark on the road of mathematics prediction was that an old man successfully predicted that there would be an earthquake in the northwest region. Shao was quite surprised , so he began to study mathematics. Zhang Guang claimed that Shao Weihua had proposed

Brief introduction of Zhang Guang Zhang Guang is one of the four members of Qimen. He is from Xi’an. Shao Weihua mentioned in his book “Book of Changes and Forecasting” which caused the Chinese mathematics craze that the opportunity for Shao himself to embark on the road of mathematics prediction was that an old man successfully predicted that there would be an earthquake in the northwest region. Shao was quite surprised , So he began to study numerology. Zhang Guang claimed that the old man Shao Weihua mentioned was himself, and it happened when he was chatting with people behind the Eight Immortals Palace in 1985.