Parse this person name:

Justus Hartung, 1429-1490, flourished 1449-1459
user
first_name: Justus
last_name: Hartung
middle_names: []
temporal:
- start: 1429
  end: 1490
  type: life_span
- start: 1449
  end: 1459
  type: flourished
titles: []
extra_info: []
assistant