Parse this person name:

Joseph Fechner, 1423-1496, flourished 1453-1480
user
first_name: Joseph
last_name: Fechner
middle_names: []
temporal:
- start: 1423
  end: 1496
  type: life_span
- start: 1453
  end: 1480
  type: flourished
titles: []
extra_info: []
assistant