Parse this person name:

Stef Kalman, 1736-1806, flourished 1755-1765
user
first_name: Stef
last_name: Kalman
middle_names: []
temporal:
- start: 1736
  end: 1806
  type: life_span
- start: 1755
  end: 1765
  type: flourished
titles: []
extra_info: []
assistant