Cai Tianxin was born in Taizhou, in southeastern China in 1963, and was admitted to Shandong University at the age of fifteen. He received his doctorate in science in 1987, and currently serves as an outstanding professor at the School of Mathematics at Zhejiang University. He is also a poet, writer, and photographer, who has published more than forty literary and scholarly works, translated variously into more than twenty languages, including seven works translated into English. In 2007, he was invited to be a resident writer at Ch'teau de Lavigny in Switzerland; he served as judge in a Haiku competition in Tokyo in 2008, was a guest at the Arabic Capital of Culture in Baghdad, Iraq in 2014, participated in the Frankfurt Book Fair in 2010 and the International Writing Program in Iowa, USA in 2018. In total, he has participated in more than thirty international festivals of poetry and literature. Since 2010, he has served as the founding editorial board member of the quarterly magazine 'Mathematical Culture' based in Hong Kong. Since the start of the new millennium, Cai has given hundreds of public lectures around the world, including at Princeton University, the London School of Economics, the Australian National University, the National University of Singapore, the Pontifical Catholic University of Peru, the University of Nairobi. Poetry readings and photography exhibitions dedicated to his work have been held in New York, Paris, Los Angeles, Chicago, San Francisco, Houston, St.

Louis, Cambridge, Kharkiv, and other cities around the world. He first saw a train on his journey to college, and now his footprints have spread across the provinces and cities and to more than one hundred countries. In his capacity as a professor of mathematics, Cai proposed a class of Diophantine equations that was hailed as a "truly original contribution" by the British mathematician and recipient of the Fields Medal Alan Baker. In his capacity as a writer and a poet, Cai was awarded the Naji Naaman Poetry Prize (Beirut) in 2013, and the Kathak Literary Award(Dakar) in 2019. In 2022, he was selected as an influential writer on Dangdang (the Chinese analogue to Amazon.com).