From the OHS PC Database, derived from A Guide to North America Organ Builders by David H. Fox (Organ Historical Society, 1991). -- Kupfermühle, Germany

Douglas E. Bush, "Becker" in The Organ: An Encyclopedia edited by Douglas Bush & Richard Kassel (Utah and New York: Psychology Press, 2006), p 59 -- Klaus Becker (b. 15 Feb 1924) began training in organ building in 1947, apprenticed with Rudolf von Beckerath in Hamburg until 1955. The firm builds tracker action organs in the classic tradition. Exports throughout Europe and the U.S. His son, Michael Becker, took over the firm in 1990.