Career
He joined the academy in 1908, and served as its Permanent Secretary from 1931 to 1941. Before devoting himself to writing, Hallström worked in London and Chicago as a chemistry He is appreciated primarily for his collections of short stories, such as Purpur (1895) and Thanatos (1900).
His major works, written before 1910, combine profound compassion with a sensitive awareness of beauty.
Per was grandfather to Anders Hallström, who was also a writer