Who is the author of the famous painting Peony?

Wu Changshuo (1844.8.1-1927.11.29), male, formerly known as Jun, whose alias is Chang Shuo, alias Luan Road, Kutie, etc. , is from Huzhou, Zhejiang. China was a key figure in the transformation of modern calligraphy and painting art, a master of "poetry, calligraphy, painting and seal", a famous painter, calligrapher and seal engraver in China during the late Qing Dynasty and the Republic of China, and was also called "the four masters of Shanghai School in the late Qing Dynasty" with Ren Bonian, Pu Hua and Xu Gu. Wu Changshuo's artistic creation is greater than creation, and he is best at freehand brushwork flowers. He painted with calligraphy, and integrated calligraphy, seal cutting, brushwork and composition into his paintings, forming a unique painting style full of golden stone flavor. He wrote Mei Lan with a seal brush, made grapes with weeds, and made flowers and wood and stones. His brushwork is rough and bold, vigorous and powerful, and his composition is almost as white as a book seal, with a combination of reality and reality, a prominent theme and strong color contrast.