Parse this person name:

Henri Leclercq, 1950-1994, flourished 1972-1989
user
first_name: Henri
last_name: Leclercq
middle_names: []
temporal:
- start: 1950
  end: 1994
  type: life_span
- start: 1972
  end: 1989
  type: flourished
titles: []
extra_info: []
assistant