Tianxiang Dai is not present in the provided Wikipedia extract on Chinese writers.
The provided text is an extensive list of Chinese writers, chronologically and alphabetically organized, spanning from the Qin dynasty to the modern period. It details numerous authors, their birth and death dates, and in some cases, their affiliations or notable works. However, the name "Tianxiang Dai" does not appear within this list. Therefore, no biographical information or specific contributions can be extracted or summarized for this individual based on the given source material.