Parse this person name:

Johann Tröst (1914-1960, flourished 1937-1955)
user
first_name: Johann
last_name: Tröst
middle_names: []
temporal:
- start: 1914
  end: 1960
  type: life_span
- start: 1937
  end: 1955
  type: flourished
titles: []
extra_info: []
assistant