Francis Rogallo tells his story in a 1989 article for the German Federation (DHV) magazine.

Chapter 1Foreword

Rogallo is the man who is responsible for inventing the specially designed wing that is making hang gliding a rapidly growing sport.
NASA ##

After 20 years of research by Graeme Henderson, Stéphane Malbos, Ken de Russy and others, we propose a more factual and authentic history of hang gliding (and paragliding).

Sections

In 1938, Francis M. Rogallo started working for the NACA (National Advisory Committee for Aeronautics), briefly as an aeronautical engineer, then as head of the wind tunnel Branch in the Langley Laboratory near Hampton, Virginia.
Section 1.1The Man, The Wing
In 2006, a hang glider pilot from New Zealand, Graeme Henderson, was inspired to research the story of hang gliding. As his research progressed, he made contact with interested people from around the world. They worked as a team. After 20 years of research, they explain:
Section 1.2The Truth