Koo Vi Kyuin, better known as V. K. Wellington Koo, was a diplomat and statesman of the Republic of China. He was one of China's representatives at the Paris Peace Conference of 1919.

Zhang Zuolin was a Chinese warlord who ruled Manchuria from 1916 to 1928. He led the Fengtian clique, one of the most important factions during China's Warlord Era. During the last year of his life, he briefly installed himself as President of the Republic of China.