IN MEMORIAM: Margaret H. Schneider, 73; Teacher, Curator, Active In Opera Founding FLY CREEK – Margaret H. Schneider, 73, teacher and museum curator active in the early years of Glimmerglass Opera, passed away surrounded by her family Feb. 4, 2016, at Bassett Hospital following a battle with cancer. She was 73. Born Nov. 24, 1942, in Salem, Ore., Maggie was the daughter of William and Eileen (White) Gentzkow. Maggie graduated from North Salem (Ore.) High School with honors and from…