Antoni Lange was a Polish poet, philosopher, polyglot, writer, novelist, science-writer, reporter and translator. A representative of Polish Parnassianism and symbolism, he is also regarded as belonging to the Decadent movement. He was an expert on Romanticism, French literature and a popularizer of Eastern cultures. His most popular novel is Miranda.

The Decadent movement was a late-19th-century artistic and literary movement, centered in Western Europe, that followed an aesthetic ideology of excess and artificiality.