50 years of leadership and contributions to the promotion of international amateur radio, and the preservation of radio history.HE9RHP since 1947, HB9RS since 1955.Holder of numerous licences in Ethiopia ET3RS, in Laos XW8HB, in Samoa 5W1BK, in Trinidad & Tobago 5Y4RS, in Liberia EL2DX ,in the USA HB9RS/W2, in Panama HP1HN, in Fiji 3D2RS, in Tahiti FO0RSM, in Germany DJ0AB and many other countries. Founder and President Emeritus of 4U1UN.First amateur to have communicated with all continents from all continents WAC/WAC. Honorary member of the Long Island DX Association, of the New Jersey DX Association, of the North California DX Foundation,of the Swiss USKA, of HB4FR etc.Fellow of the Radio Club of America,Ralph Batcher Memorial Award.Member of numerous association such as the AWA (Antique Wireless Association), the QCWA (Quarter Century Wireless Association), the SOWP (Society of Wireless Pioneers), the MTC (Morse Telegraph Club),A-1 Operator's Club, etc.Author of numerous articles in various technical and historical radio journals. Radio collector, author of "The Hallicrafters Story-When the sky was the limit" published by the Antique Radio Club of America (now Antique Wireless Association) in 1991. Former Director/Curator of the Swiss National Audiorama Museum. Founder of QCWA "Helvetia" Chapter 209.