Guangming Ribao has a long piece this week on Zhou Youguang, one of the main people behind the creation of Hanyu Pinyin: Zhōu Yǒuguāng: bǎisuì xīngchén, wénhuá cànrán (周有光:百岁星辰 文华灿然, Guāngmíng Rìbào, April 23, 2006). This also has lots of photos.
For autobiographical material by him in English, see A devotion that goes beyond words, from the South China Morning Post in the late 1990s.
For a selection of writings by him, see The Historical Evolution of Chinese Languages and Scripts (中国语文的时代演进 Zhōngguó yǔwén de shídài yǎnjìn).