Parse this person name:

Casper Merckx, 1926-2003, flourished 1942-1961
user
first_name: Casper
last_name: Merckx
middle_names: []
temporal:
- start: 1926
  end: 2003
  type: life_span
- start: 1942
  end: 1961
  type: flourished
titles: []
extra_info: []
assistant