Conversation so far:
What is Sven Hedin's link to Nazi Germany?
Sven Hedin's conservative and pro-German views eventually translated into sympathy for the Third Reich.
Did Sven Hedin agree with Hitler's views?
Adolf Hitler had been an early admirer of Sven Hedin, who was impressed with Hitler's nationalism. He saw the German leader's rise to power as a revival of German fortunes.
Did Sven Hedin work with/for Hitler?
Sven Hedin supported the Nazis in his journalistic activities.

Question: how old was Hedin when he met Hitler?
Self-contained rewrite: How old was Sven Hedin when he met Hitler?