Parse this person name:

Maurice Leroux (1821-1901, flourished 1842-1858)
user
first_name: Maurice
last_name: Leroux
middle_names: []
temporal:
- start: 1821
  end: 1901
  type: life_span
- start: 1842
  end: 1858
  type: flourished
titles: []
extra_info: []
assistant