David Ritchie was working for
Simulations Publications, Inc. (SPI) when it was taken over by
TSR in March 1982. In the following months, as SPI employees either quit or were fired, Ritchie became the last remaining holdover from SPI. before leaving in late 1983 to work for
Coleco. Ritchie and
Dave Arneson wrote a series of four adventures that further detailed the world of
Blackmoor which Arneson had created, and they were published by TSR as
DA1: Adventures in Blackmoor (1986),
DA2: Temple of the Frog (1986),
DA3: City of the Gods (1987) and
DA4: The Duchy of Ten (1987). Ritchie died in his Connecticut home on September 6, 2009, at the age of 58. ==References==