Emile Biémont is Honorary Research Director of the belgian FNRS, Honorary professor of the University of Mons (Belgium) and Member of the Royal Academy of Belgium. His fields of investigation concern theoretical and experimental atomic spectroscopy with applications to laser physics, plasma physics and astrophysics. He has been involved also intensively in teaching and research in astrophysics and particularly in solar and stellar physics, namely in abundance determinations. He is also interested in the history of science and popularization of science. He is the author (or co-author) of approximately 370 scientific publications in physics and astrophysics. He has published 15 books on subjects as diverse as the light, the meteors, the calendars, the rainbow, the astronomy in the islamic world, the atomic and molecular spectroscopy, the time measurement and the history of atomic physics.