Complex sentence: The painting is part of Matisse's series on man's "Golden Age" and was part of Sergei Shchukin's collection before the October Revolution of 1917 and is now in the collection of The Hermitage, St. Petersburg, Russia.
Split into simpler sentences: The painting is part of Matisse's series on man's "Golden Age" and was part of Sergei Shchukin's collection before the October Revolution of 1917. It is now in the collection of The Hermitage, St. Petersburg, Russia.