Parse this person name:

Reinhardt Speer, 1728-1774, flourished 1754-1769
user
first_name: Reinhardt
last_name: Speer
middle_names: []
temporal:
- start: 1728
  end: 1774
  type: life_span
- start: 1754
  end: 1769
  type: flourished
titles: []
extra_info: []
assistant