Question: Albert Lee Ueltschi is considered the father of modern flight training and was once personal pilot to Juan Trippe and an associate of which famous person?
Sentence (from "Juan Trippe"): Trippe's signing of the 747 contract coincided with the 50th anniversary of Boeing, and he gave a speech where he explained his belief that these jets would be a force that would help bring about world peace.
Relevant evidence: No