Lewis became good friends with legendary test pilot Chuck Yeager, as well as with Steve Hinton and Stewart Dawson, two of the top pilots flying warbirds Hinton is the only other pilot allowed to fly Glacier Girl.

FORBES: Lord Of The Warbirds

The FDA is working with the Brookings Institution on the one-page guides that could eventually replace other materials, says Denise Hinton, a senior program manager with the FDA. A pilot test is awaiting funding from the Office of Management and Budget.

WSJ: When 'Use Only as Directed' Isn't Easy