Parse this person name:

Hansjörg Jähn (1819-1862, flourished 1849-1857)
user
first_name: Hansjörg
last_name: Jähn
middle_names: []
temporal:
- start: 1819
  end: 1862
  type: life_span
- start: 1849
  end: 1857
  type: flourished
titles: []
extra_info: []
assistant