Parse this person name:

Piergiorgio E. Cirillo M. Lorenzo Mercalli, -1843
user
first_name: Piergiorgio
last_name: Mercalli
middle_names:
- E.
- Cirillo
- M.
- Lorenzo
temporal:
- start: null
  end: 1843
  type: life_span
titles: []
extra_info: []
assistant