Roman Tam Pak-sin (Chinese: 譚百先; pinyin: Tán Bǎixiān; 12 February 1945– 18 October 2002), known professionally by his stage name Law Man (Chinese: 羅文; pinyin: Luó Wén), was a Hong Kong singer. He is regarded as the "Grand Godfather of Cantopop".

Source: Wikipedia (https://en.wikipedia.org/wiki/Roman_Tam)