Parse this person name:

Irmgard Fritsch (1720-1765, flourished 1736-1755)
user
first_name: Irmgard
last_name: Fritsch
middle_names: []
temporal:
- start: 1720
  end: 1765
  type: life_span
- start: 1736
  end: 1755
  type: flourished
titles: []
extra_info: []
assistant