Catalysts
catalyst |ˈkatl-ist| noun a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. • figurative a person or thing that precipitates an event : the governor’s speech acted as a catalyst for debate. ORIGIN early 20th cent.: from catalysis , on the pattern of analyst. As I stood next to a wheelchair with reclining back, which was now the principal means of conveyance for Mamie Cohen, I sort of found myself laughing a bit inside. Today, (Monday) is her Birthday. She is 89 years old and lives at Samarkand in Santa