Parse this person name:

Theda Ehlert (1832-1900, flourished 1862-1878)
user
first_name: Theda
last_name: Ehlert
middle_names: []
temporal:
- start: 1832
  end: 1900
  type: life_span
- start: 1862
  end: 1878
  type: flourished
titles: []
extra_info: []
assistant