19 March] 1872 – 9 March 1952) was a Marxist revolutionary, first as a member of the Mensheviks, then from 1915 on as a Bolshevik (later Communist).
In 1922, Kollontai was appointed a diplomatic counsellor to the Soviet legation in Norway, being soon promoted to head of the legation, one of the first women to hold such a post.