We see Greg Houston's work off-and-on in the City Paper, and I haven't known anything about him. Bill Baker's got a two-part interview with him online now -

BAKER'S DOZEN for 03/03/2010
Send in The Clowns
Greg Houston on The Vatican Shuffle, part one

BAKER'S DOZEN for 03/17/2010
Send in The Clowns
Greg Houston on The Vatican Shuffle, part two

Bill Baker has the 2nd part of his interview up now -

Looking Back to See the Future
Mark Wheatley on IDW’s Mark Wheatley Library (part two of two)
BAKER'S DOZEN for 12/14/2009