Parse this person name:

Hajo Wesack (1870-1950, flourished 1893-1905)
user
first_name: Hajo
last_name: Wesack
middle_names: []
temporal:
- start: 1870
  end: 1950
  type: life_span
- start: 1893
  end: 1905
  type: flourished
titles: []
extra_info: []
assistant