Parse this person name:

Gabriel Gaillard-Legrand (1928-1978, flourished 1952-1973)
user
first_name: Gabriel
last_name: Gaillard-Legrand
middle_names: []
temporal:
- start: 1928
  end: 1978
  type: life_span
- start: 1952
  end: 1973
  type: flourished
titles: []
extra_info: []
assistant