From the OHS PC Database, derived from A Guide to North American Organbuilders, by David H. Fox (Richmond, Va.: Organ Historical Society, 1991). —

German

From website Karl Schuke Berliner Orgelbauwerkstatt accessed Oct 25, 2015 --

Chronology
1894 - Alexander Schuke Organ Manufacture in Potsdam (Alexander is the father of Karl)
1933 - The two sons Karl and Hans-Joachim Schuke lead their father-s company together after his death.
1950 - Both brothers decide to settle a company in the west part Berlin under the name� Berliner Orgelbauwerkstatt GmbH� ( Berlin organ Manufacture Ltd.).
1953 - Karl Schuke moves from Potsdam to Berlin and takes over the leadership of the firm.
1976 - Management handed over to a selected staff team.
1987 - Professor Karl Schuke dies at the age of 80.