Ein Traumspiel
Ranft was regarded as the "theatre emperor of Stockholm" in the early 20th century. For a while his empire comprised all the private playhouses in the city: Vasateatern, the Swedish Theatre, Södra Teatern, and Oscarsteatern. Simultaneously, he ran the Royal Swedish Opera. The jewel in his crown was the Swedish Theatre, where several plays that have made theatre history premiered, notably " A Dream Play" by August Strindberg in 1907.