Astrophysicist Alain Lecavelier des Etangs (Institut d'Astrophysique de Paris, France), tells about how he started working on the Beta-Pictoris star system in early 1990s in the group of Alfred Vidal-Madjar (part 1). Also see https://picsat.obspm.fr/science/scien... for science references.

With many thanks to Jean Mouette from the Institut d'Astrophysique de Paris for technical support with the interview.