Parse this person name:

Stjepan Matthäi (1724-1778, flourished 1741-1757)
user
first_name: Stjepan
last_name: Matthäi
middle_names: []
temporal:
- start: 1724
  end: 1778
  type: life_span
- start: 1741
  end: 1757
  type: flourished
titles: []
extra_info: []
assistant