claim: Dawood Ibrahim has always refrained from joining a gang.
evidence: Weltensegler G.m.b.H. was a German aircraft company formed by Friedrich Wenk , who became its Technical Director .. Friedrich Wenk. Friedrich Wenk. Wenk developed tailless gliders and entered one in the 1921 Rhon gliding competition held at the Wasserkuppe , from 8 August to 25 August 1921 .. Wasserkuppe. Wasserkuppe. The designer Alexander Lippisch was an employee .. Alexander Lippisch. Alexander Lippisch