He conducted his last concert with the Oslo Philharmonic in December 1952 .
He was also a close friend of the Russian writer Maxim Gorky , and the Norwegian explorer Fridtjof Nansen .
friend conducted friend 's last concert with the Oslo Philharmonic in December 1952 .
He was also a close friend of the Russian writer Maxim Gorky , and the Norwegian explorer Fridtjof Nansen .