Parse this person name:

Henri Leroux, 1878-1950, flourished 1899-1910
user
first_name: Henri
last_name: Leroux
middle_names: []
temporal:
- start: 1878
  end: 1950
  type: life_span
- start: 1899
  end: 1910
  type: flourished
titles: []
extra_info: []
assistant