Celestial Treasury is written by two astrophysicists who are eager to share the modern scientific view of the universe with the general public. Both authors hold distinguished positions as Research Directors for the French National Centre for Scientific Research (CNRS).
Marc Lachièze-Rey is at the Saclay Research Centre, where his research interests include cosmology and gravitation. His writing includes popular science and textbooks.
Jean-Pierre Luminet is based at the Paris-Meudon Observatory. His vast output has included not only research papers, but six popular science books, poetry, film scripts, essays, and a novel. Minor Planet 5523 was named Luminet by the International Astronomical Union.