Yale romanization system for Mandarin

George A. Kennedy
The Yale system, designed mainly by George A. Kennedy, was launched in the 1940s. It was popular in many language programs before being supplanted by hanyu pinyin.
- basic comparison: Yale, Hanyu Pinyin, and Zhuyin Fuhao
- advanced comparison: Zhuyin Fuhao, Wade-Giles, MPS2, Yale, Tongyong Pinyin, Hanyu Pinyin, and Gwoyeu Romatzyh