Most important Chinese leader of past century

It's a had question to answer, since they did have played a critical role in different period of time.

1. Yat-sen
2. Mao Tse-Tung

3. Deng Xiaoping

4. Chiang Kai-shek

Sun Zhong Shan and Mao Ze Dong were mainly focusing on finding out the right direction;

De Xiao Ping is a creative architect to translate the great vision of CPC into strategic plans / blue print;

Jiang Ze Min (Chiang) is the executor of China's open-to-the-world policy;

Now, Hu Jing Tao and premier Wen are managing the most stable reformation period of China;

China's next generation leaders will focus on political and social improvement, of course, economy is also the main story and foundation for the whole country.

Relay racers are all important for the game, aren't they?