Parse this person name:

Donald Hartung, 1260-1340, flourished 1277-1294
user
first_name: Donald
last_name: Hartung
middle_names: []
temporal:
- start: 1260
  end: 1340
  type: life_span
- start: 1277
  end: 1294
  type: flourished
titles: []
extra_info: []
assistant