Complex sentence: Albert Lee Ueltschi (born May 15,1917) was the founder of FlightSafety International and once personal pilot to Juan Trippe and associate to Charles Lindbergh, A.L. Ueltschi is considered the father of modern aviation training.
Split into simpler sentences: Albert Lee Ueltschi (born May 15,1917) was the founder of FlightSafety International. Once personal pilot to Juan Trippe and an associate to Charles Lindbergh, A.L. Ueltschi is considered the father of modern aviation training.