Chinese Premier Wen Jiabao(1st, L) talks with Wang Daheng, a renowned Chinese optical scientist, during his visit to Wang in Beijing, capital of China, on Aug. 6, 2009.

During Wen's visit to scientist Wang Daheng at the General Hospital of the People's Liberation Army, the Premier wished the 94-year-old Wang a speedy recovery.

Wang is the founder of China's optics studies. He has made a great contribution to the research and development of many key optical devices for defense and industrial purposes.

The Premier's last stop was a visit to medical scientist Hu Yamei. Hu is a specialist in the treatment of leukemia in children and has saved many patients' lives.

In 2003 Hu, now 86, proposed establishing a leukemia treatment center in Beijing. Her proposal was approved and adopted by the government and the center is now under construction.

Hu said she was delighted to hear the center's construction was proceeding quickly and that now afflicted children would have greater opportunities and a better environment for treatment.