We still don't know the year he was born and died. It is said, that he was around 60, when he decided to let the architect Hans Richter to built his villa in Krásná Lípa, Czechia in 1928.
Palme inherited the Schindler's textile company in Krásná Lípa. In 1937 the company was sold to Kunert, apparently Palme retired. We do not know what happened to him during the war and afterwards.