A person afflicted with Parkinson's disease is Michael J. Fox.
Ballistic Recovery Systems , Inc. -LRB- commonly referred to as BRS Aerospace , or simply BRS -RRB- is a manufacturer of aircraft ballistic parachutes .. Aerospace. Aerospace. The company was formed in 1980 by Boris Popov of Saint Paul , Minnesota , after he survived a 400 ft fall in a partially collapsed hang glider in 1975 .. hang glider. Hang gliding. As a result , Popov invented a parachute system that could lower an entire light aircraft to the ground in the event of loss of control , failure of the aircraft structure , or other in-flight emergencies .. light aircraft. light aircraft. Popov was granted a U.S. patent on 26 August 1986 for the so-called Ballistic Recovery System -LRB- BRS -RRB- - patent US 4607814 A.. The company has two divisions  : BRS Aviation and BRS Defense .