Parse this person name:

Gertraud Hecker-Kramer (1846-1924, flourished 1875-1904)
user
first_name: Gertraud
last_name: Hecker-Kramer
middle_names: []
temporal:
- start: 1846
  end: 1924
  type: life_span
- start: 1875
  end: 1904
  type: flourished
titles: []
extra_info: []
assistant