Parse this person name:

Gunar Hecker, 1910-1964, flourished 1936-1959
user
first_name: Gunar
last_name: Hecker
middle_names: []
temporal:
- start: 1910
  end: 1964
  type: life_span
- start: 1936
  end: 1959
  type: flourished
titles: []
extra_info: []
assistant