Södergran, Edith Irene (söˈdərgrän) [key], 1892–1923, Swedish poet, b. St. Petersburg, Russia. Södergran spent most of her adult life in poor health and in isolation in SE Finland near the Russian border. Dikter (1916), her first book, was a collection of free verse that introduced the modernist movement to Finland and Sweden. The Non-Existent Country (1925) is among the most popular of her six volumes of poetry. She wrote in Swedish.