How old did Zhu Lin live?

Zhu Lin, born in 1928, is an architect, teacher and writer in Tsinghua University. Widow of famous architect Liang Sicheng.

After his death, Liang Sicheng has been constantly sorting out his manuscripts and various materials, publishing books such as Liang Sicheng, Lin and I, History of Liang and Buddha, and compiling Collected Works of Liang Sicheng, Confusion of Masters, Knocking on the Door of Luban, Architectural Paintings of Architects Liang Sicheng and Liang Sicheng, and a large number of articles commemorating memories.