Erich Kunzel, conductor Erich Kunzel, who was familiar to Washingtonians from his regular appearances at the podium of the National Symphony Orchestra Pops at annual Independence Day and Memorial Day concerts on the Capitol Lawn, died this morning near his home in Maine. He was 74. Diagnosed with pancreatic, liver, and colon cancer last spring, Kunzel continued to conduct, faithfully returning to the temporary stage looking out over the National Mall for the most…