Parse this person name:

Ralf Beckmann, 1694-1768, flourished 1718-1732
user
first_name: Ralf
last_name: Beckmann
middle_names: []
temporal:
- start: 1694
  end: 1768
  type: life_span
- start: 1718
  end: 1732
  type: flourished
titles: []
extra_info: []
assistant