Parse this person name:

Sergei Oderwald (1818-1896, flourished 1840-1865)
user
first_name: Sergei
last_name: Oderwald
middle_names: []
temporal:
- start: 1818
  end: 1896
  type: life_span
- start: 1840
  end: 1865
  type: flourished
titles: []
extra_info: []
assistant