Parse this person name:

Irmi Fechner (1912-1979, flourished 1934-1956)
user
first_name: Irmi
last_name: Fechner
middle_names: []
temporal:
- start: 1912
  end: 1979
  type: life_span
- start: 1934
  end: 1956
  type: flourished
titles: []
extra_info: []
assistant