Hello!
I received recently a recording of the violin concerto by Horst Platen (1884-1964):
Horst Platen: Violin concerto (http://www.violinconcerto.de/collection.php?action=composer&composer=Platen&first_name=Horst)
A google search just brought up that he was a German conductor. Does anyone here know more about him, especially in which year he composed his violin concerto?