Parse this person name:

Hans-Gerhard Wulff, 1790-1862, flourished 1814-1839
user
first_name: Hans-Gerhard
last_name: Wulff
middle_names: []
temporal:
- start: 1790
  end: 1862
  type: life_span
- start: 1814
  end: 1839
  type: flourished
titles: []
extra_info: []
assistant