Mr. Dou Chengren, 60, was a retired teacher from Lanzhou Chemical Industrial Company in Gansu Province. After practicing Falun Dafa, his heart disease was healed. After 1999, due to the persecution, he had to work on a farm in Dingyuan Town, Yuzhong County. Due to the long-term mental pressure of the persecution, his heart disease recurred and he died from a heart attack on February 1, 2005.