Vancouver 26. During World War II he became interested in medical problems associated with flying. In fact, he died in a plane crash in Newfoundland in 1941. He is better known for the work that won him a Nobel Prize in 1923. Previous researchers were stymied when the enzyme trypsin destroyed the hormone they were studying. For 10 points - identify this researcher who conducted an experiment in which the pancreatic ducts were obstructed, causing trypsin-secreting cells to die but leaving the islets of Langerhans intact, thus isolating insulin.