Below is a depository for Sentry-related research materials for Weird Comics History, Episode 18... click to embiggen.
ABOVE: The first mention of Artie Rosen. This appeared at the very end of a letters column in Daredevil (vol.2) #9 (July, 1999)
ABOVE: The underrated Rosen passes away from heart failure on January 14, 2000. From Wizard Magazine #103 (April, 2000).
ABOVE: The widow-Rosen finds some interesting things packed away... From Wizard Magazine #105 (June, 2000)
ABOVE: The news is out... from Wizard Magazine #116 (May, 2001)
ABOVE: Stan's Scintillating Sentry Scoop lettercolls from the miniseries.