Parse this person name:

Gerd Eimer, 1777-1825, flourished 1798-1820
user
first_name: Gerd
last_name: Eimer
middle_names: []
temporal:
- start: 1777
  end: 1825
  type: life_span
- start: 1798
  end: 1820
  type: flourished
titles: []
extra_info: []
assistant