Parse this person name:

Janus Gnatz, 1860-1933, flourished 1890-1901
user
first_name: Janus
last_name: Gnatz
middle_names: []
temporal:
- start: 1860
  end: 1933
  type: life_span
- start: 1890
  end: 1901
  type: flourished
titles: []
extra_info: []
assistant