Parse this person name:

Lex Galenzone, 1880-1921, flourished 1898-1916
user
first_name: Lex
last_name: Galenzone
middle_names: []
temporal:
- start: 1880
  end: 1921
  type: life_span
- start: 1898
  end: 1916
  type: flourished
titles: []
extra_info: []
assistant