Parse this person name:

Heinz-Jürgen Gumprich, 1726-1784, flourished 1755-1779
user
first_name: Heinz-Jürgen
last_name: Gumprich
middle_names: []
temporal:
- start: 1726
  end: 1784
  type: life_span
- start: 1755
  end: 1779
  type: flourished
titles: []
extra_info: []
assistant