This listing includes at least eight different people:
Keith Baker, the fantasy/RPG author and game designer [b. 1969];
Keith Baker, the author and illustrator of children's books [b. 1953];
Keith (James Edward) Baker, the Irish thriller author [b. 1945];
Keith Baker, from the National Institute of Education (U.S.) [b. 1942];
Keith Baker, co-author with Fiona Baker [b. 1947];
Keith Philip Baker, associate professor at SUNY Brockport, previously at Oregon State University;
Keith Baker, amateur historian and sports writer of Sheffield, UK [b. 1937];
Keith J Baker, Glasgow Caledonian University [b. 1979].
Keith Michael Baker, historian at Stanford University [b. 1938] and Keith R Baker, historical fiction writer [b. 1950], have their own author pages.
