Zuoren

In August 2009 Ai went to Sichuan with his usual entourage of assistants and videographers, to testify at the trial of Tan Zuoren, another activist for the rights of earthquake victims.

Ai Weiwei: the dissident artist 2011

Ai Weiwei's predecessor Tan Zuoren was the first victim of the government's effort to prevent such investigation.

Global Voices in English » China: A citizen campaign to reveal the forgotten dead 2009

This is similar to the practice of China government in repressing human rights activist Tan Zuoren, who disclosed the bean dreg school building construction problem in the Sichuan earthquake, with the charge of inciting sedition.

Global Voices in English » Hong Kong: A 10-dollar coin to pledge against political harassment 2009

Tan Zuoren, a literary editor and environmentalist who was creating an archive of children killed in collapsing schools, was arrested in March 2009 on charges of subverting state authority, according to Amnesty International.

Global Voices in English » China: A citizen campaign to reveal the forgotten dead 2009

From Tan Zuoren to Liu Xiaobo, how is that such preposterous regression can still occur?

In China, A Professor Tweets Elite Views on Dissident Liu Xiaobo 2009

In August 2009, he was beaten by police in retaliation for trying to testify on behalf of Tan Zuoren, a writer investigating the details of the Sichuan earthquake.

The Full Feed from HuffingtonPost.com Alexandra Perloff-Giles 2011

Ai was beaten up by police in Sichuan in 2009, when he was trying to testify for Tan Zuoren, a dissident facing trial, and he told his family then that he may face similar punishment one day, said his older sister, Gao Ge.

The Full Feed from HuffingtonPost.com The Huffington Post News Editors 2011

Ai traveled to Sichuan in 2009 to attend the trial of an activist, Tan Zuoren, who was investigating the earthquake.

latimes.com - News 2011

After using his work to raise questions about how officials dealt with the May 2008 Sichuan earthquake, in which thousands of schoolchildren were killed in their classrooms, he was beaten by the police in 2009 before he was scheduled to testify at the trial of Tan Zuoren, a writer and activist who was investigating the same issue.

NYT > Home Page By CAROL VOGEL 2011

In August 2009, beaten up by police in Sichuan while trying to testify for dissident Tan Zuoren

BBC News - Home 2011