Parse this person name:

Ulf Huhn (1811-1864, flourished 1834-1859)
user
first_name: Ulf
last_name: Huhn
middle_names: []
temporal:
- start: 1811
  end: 1864
  type: life_span
- start: 1834
  end: 1859
  type: flourished
titles: []
extra_info: []
assistant