Parse this person name:

Gianfrancesco Bignami (1779-1856, flourished 1799-1813)
user
first_name: Gianfrancesco
last_name: Bignami
middle_names: []
temporal:
- start: 1779
  end: 1856
  type: life_span
- start: 1799
  end: 1813
  type: flourished
titles: []
extra_info: []
assistant