Task: Explanation
Input (English): Socialism 3.0 refers to the third era of socialism in China which is distinguished from Mao Zedong's equalitarianism era and Deng Xiaoping's Reform and Opening-up era. It is also referred to as the post-reform era. This concept was first proposed by Professor Wang Shaoguang from the Chinese University of Hong Kong in a non-published speech. It was later referred by Peter Martin and David Cohen in their article Socialism 3.0 in China, which mainly focused on Bo Xilai's Chongqing Model. The authors cast doubt on the Maoist policies adopted by Bo Xilai, a high-rank of Communist Party of China and chief official of Chongqing, China, being a feasible future for China's Socialism. Question: By which professor from the territory's second oldest university (CUHK) the post-reform era Socialism 3.0 was proposed? Answer: Professor Wang Shaoguang
Output (English):  This concept was first proposed by Professor Wang Shaoguang from the Chinese University of Hong Kong in a nonpublished speech.