Parse this person name:

Seth Callahan (1718-1763, flourished 1747-1758)
user
first_name: Seth
last_name: Callahan
middle_names: []
temporal:
- start: 1718
  end: 1763
  type: life_span
- start: 1747
  end: 1758
  type: flourished
titles: []
extra_info: []
assistant