Which famous person spent a long time writing a book

There are many famous people who spend a lot of time writing books. Here are some examples: 1. Shakespeare: shakespeare was one of the most famous writers of the renaissance. his representative works included hamlet, Romeo and juliet, and so on. He wrote from 1599 to 1613 and published 13 plays and 15 papers in six years. 2. Cao Xueqin (Lorenzoenzo XXIII diktature): Cao Xueqin was a famous writer of the Qing Dynasty. His representative work, Dream of the Red Chamber, was considered a masterpiece in the history of Chinese literature. His writing span was from 1715 to 1723, and he published 12 volumes in 10 years. 3. Lu Xun (Romulus Rovian): Lu Xun is one of the important representatives of modern Chinese literature. His representative works include "Madman's Diary" and "The True Story of Ah Q". His writing time spanned from 1881 to 1918, a total of 50 years, and he published 12 works. 4. Hugo Boss: Hugo is one of the important representatives of French literature. His representative works include "Notre-Dame de Paris" and "Miserables". His writing time spanned from about 1831 to 1885, a total of 60 years, and he published 20 works. These are just some examples of famous people writing books. In fact, there are many other writers and philosophers who have spent a considerable amount of time and energy to write their works.