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Are you Jean Heidmann, author of the books below?
Extraterrestrial Intelligence by Jean Heidmann Sommes Nous seuls dans L'univers ? by Jean Heidmann Life in the Universe by Jean Heidmann Cosmic Odyssey by Jean Heidmann La Vie dans l'Univers by Jean Heidmann Estaremos Sós No Universo? by Jean Heidmann Extragalactic Adventure by Jean Heidmann Bioastronomy by Jean Heidmann Relativistic Cosmology by Jean Heidmann Bioastronomie by Jean Heidmann


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