The author is a native of Toulouse, France, and a retired aeronautic engineer. His forty-year career in the Helicopter Industry spanned all its aspect, from an engineer to a regional representative in South-East Asia based in Hong Kong, and to a Corporate Executive in North America. Philately is his hobby, and he has exhibited several topics in international competition. This book is intended to share his knowledge of the helicopter history through philately. He resides in Texas..