- Category : 1948-births
- Type : GP
- Profile : 5/1 - Heretical / Investigator
- Definition : Split - Small (8,13,20,31)
- Incarnation Cross : LAX Dominion 1
French geophysicist, prominent among the researchers who are critical of the hypothesis that impact events are a primary cause of mass extinction of life forms on the Earth. Courtillot is best known for his book "La Vie en catastrophes" (Paris, Fayard, 1995), translated into English as "Evolutionary catastrophes" (1999).