When Hawking visited China in 1985 , 2002 and 2006 Wu served as his interpreter .
In 2001 , he translated A Brief History of Time and in 2011 he released a Chinese translation of The Grand Design .
When Hawking visited Chinese in 1985 , 2002 and 2006 Wu served as his interpreter .
In 2001 , he translated A Brief History of Time and in 2011 he released a Chinese translation of The Grand Design .