Parse this person name:

Vitus Rosemann (1815-1859, flourished 1832-1854)
user
first_name: Vitus
last_name: Rosemann
middle_names: []
temporal:
- start: 1815
  end: 1859
  type: life_span
- start: 1832
  end: 1854
  type: flourished
titles: []
extra_info: []
assistant