Tuhia he haere tonu mo tenei pene - Ahakoa kaore he ra motuhake i whakahuatia, ko nga mahi a Emil i Sweden i te tau 1899-1911. He maha ngā tohutoro e hanga ki Swedish ahurea, pāpori, me te hōia āhuatanga i mutu i roto i te 1900s wawe. Ka whakahuatia he komete, ko te mea pea ko te Komete o Halley i haere i te whenua i te tau 1910. Kei reira hoki he whakahua o te ru nui i roto i Amerika, he tohutoro mārama ki te ru o San Francisco
o te tau kotahi mano 1906.