However , in the end Brauner withdrew his claims for unknown reasons .
Brauner 's conflict with Carl Auer von Welsbach about the priority for the discovery that didymium is a mixture of two elements ( praseodymium and neodymium ) was harsh .
In the end Brauner withdrew Brauner 's claims for unknown reasons .
Brauner 's conflict with Carl Auer von Welsbach about the priority for the discovery that didymium is a mixture of two elements ( praseodymium and neodymium ) was harsh .