Parse this person name:

Hellmut Naser, 1449-1520, flourished 1472-1501
user
first_name: Hellmut
last_name: Naser
middle_names: []
temporal:
- start: 1449
  end: 1520
  type: life_span
- start: 1472
  end: 1501
  type: flourished
titles: []
extra_info: []
assistant