Parse this person name:

Gerald Jähn, 1897-1958, flourished 1917-1946
user
first_name: Gerald
last_name: Jähn
middle_names: []
temporal:
- start: 1897
  end: 1958
  type: life_span
- start: 1917
  end: 1946
  type: flourished
titles: []
extra_info: []
assistant