Parse this person name:

Grzegorz Birnbaum, 1869-1910, flourished 1890-1905
user
first_name: Grzegorz
last_name: Birnbaum
middle_names: []
temporal:
- start: 1869
  end: 1910
  type: life_span
- start: 1890
  end: 1905
  type: flourished
titles: []
extra_info: []
assistant