Alfred Dürr is one of the principal editors of the Neue Bach Ausgabe in which he edited Bach's Well-Tempered Clavier. He is the author of the standard work in German on Bach's cantatas. (An English translation of this book, by Richard D.P. Jones, is in progress.) He holds honorary doctorates of music at Baldwin-Wallace College, Ohio and at Oxford University.
Alfred Clayton (translator) has translated numerous books, including (for OUP) Paul Badura-Skoda: Interpreting Bach at the Keyboard.