Good afternoon Gentlemen,
Johannes Mathews is right in calling Mr. Bär
Oskar-Heinz and not
Heinrich as proven by his 2(!) tombstones.
https://ww2gravestone.com/people/bar...-heinz-pritzl/
Those authors who call him
Heinrich might have though that he's one of those whose name
Heinz is only the shortform/nickname for his real name
Heinrich. Would that have been the case
Heinrich would have been used on the tombstone, because tombstones usually do not feature nicknames.
Michael