In 1910, aboard the Norwegian naval vessel Fridtjof, he carried out researches in the northern Atlantic, and in 1912 he took his own yacht, Veslemøy, to Bear Island and Spitsbergen.
Pada 1910, di atas kapal angkatan laut Norwegia Fridtjof, ia membawa serta riset-riset di utara Atlantik, dan pada 1912, ia menaiki yacht-nya sendiri, Veslemøy, menuju Pulau Beruang dan Spitsbergen.