Liu Xiaobo

Liu Xiaobo (Chinese: 刘晓波, 28 December 1955 – 13 July 2017) was a Chinese literary critic, writer, poet, human rights activist and Nobel Peace Prize laureate who called for political reforms and was involved in campaigns to end Communist single-party rule. In 1989, he joined the Tiananmen Square protests and was imprisoned for the first time from 1989 to 1991 and again from 1995 to 1996 and he was imprisoned for the third time from 1996 to 1999 for his involvement in the democracy and human rights movement. https://en.wikipedia.org/wiki/Liu_Xiaobo