Parse this person name:

Léon Buisson, 1499-1554, flourished 1521-1535
user
first_name: Léon
last_name: Buisson
middle_names: []
temporal:
- start: 1499
  end: 1554
  type: life_span
- start: 1521
  end: 1535
  type: flourished
titles: []
extra_info: []
assistant