Some prominent Chinese have used GR to transliterate their names: for example the mathematician Shiing-Shen Chern.
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:This course was originally used in the Army Specialized Training Program at the Harvard School for Overseas Administration in 1943–1944 and subsequently in civilian courses.
The northern Mandarin pronunciations were given in the "Guoyu Luomazi", devised by linguist Zhao Yuanren, as well as in Mandarin Phonetic System (MPS) characters with a dotted corner for tone.