When Dean was 12 years old, his father died in a plane crash while piloting his own twin-engine plane. Dean began tinkering with electronics early on in his childhood he was taking radios apart to see what made them work & reassembling them at age eight. Robert was a successful executive and business owner, whose company designed and manufactured custom fasteners some of which wound up in early United States space program rockets. 9.3 Dean Zelinsky Private Label Guitarsĭean Barrett Zelinsky was the second of three boys born to Robert and Sylvia Zelinsky in Chicago, IL.