sentences:  Hooper and Whyld called his works "scrupulously written" and "a source of reference for chess journalists and writers all over the world".Gaige's 1969 book, "A Catalog of Chess Players and Problemists", contained about 3000 names with dates and places of birth and death.Chess writers soon began sending him information, and "Chess Personalia" (1987), his greatly expanded follow up, listed about 14,000 names with dates and places of birth and death, along with references to sources of biographical information.