Trade secrets of oldest family firm in US By Kim Gittleson BBC News, Massachusetts 7 June 2012; From the section bbc.co.uk/news/business Avedis Zildjian, who emigrated from Turkey to the US Nearly 400 years ago, in 1623, Avedis Zildjian founded a cymbal-manufacturing company in Istanbul. Now run by 14th generation family member Craigie Zildjian, along […]