Michael Maris­sen, a grad­u­ate of Calvin Col­lege and Bran­deis Uni­ver­si­ty, is the Daniel Under­hill Pro­fes­sor of Music at Swarth­more Col­lege. He has pub­lished arti­cles on anti-Judaism and music in the Har­vard The­o­log­i­cal Review and The New York Times. His books include Lutheranism, anti-Judaism and Bach’s St. John Pas­sion. He is a pop­u­lar pre-con­cert lecturer.