Parse this person name:

Louis Masson (1927-1991, flourished 1942-1966)
user
first_name: Louis
last_name: Masson
middle_names: []
temporal:
- start: 1927
  end: 1991
  type: life_span
- start: 1942
  end: 1966
  type: flourished
titles: []
extra_info: []
assistant