Dr. Gould died from metastasized lung cancer, which seems to have struck him during the past couple of months.
Dr. Gould battled cancer for over 20 years, when he was first diagnosed with abdominal mesothelioma, a rare and uncureable cancer usually associated with asbetos. The 'median mortality rate' he was given was 8 months.
To Dr. Gould this meant that half of the people lived longer than that, and we was determined to be part of that group.
The following link is an inspirational essay about his battle with cancer:
http://cancerguide.org/median_not_msg.html