Parse this person name:

Gabriel Galán, 1787-1844, flourished 1803-1820
user
first_name: Gabriel
last_name: Galán
middle_names: []
temporal:
- start: 1787
  end: 1844
  type: life_span
- start: 1803
  end: 1820
  type: flourished
titles: []
extra_info: []
assistant