Parse this person name:

Richard Thierry, 1457-1502, flourished 1483-1497
user
first_name: Richard
last_name: Thierry
middle_names: []
temporal:
- start: 1457
  end: 1502
  type: life_span
- start: 1483
  end: 1497
  type: flourished
titles: []
extra_info: []
assistant