Short answers, pulled from the story.
Charles de Steuben, born Carl August Wilhelm von Steuben, was a German-born French Romantic painter and lithographer active from the Napoleonic era to the Second Empire. He lived from the 18th of April 1788 to the 21st of November 1856.
Charles de Steuben was born on the 18th of April 1788 and died on the 21st of November 1856, at the age of 68, in Paris. He was interred in the Père Lachaise Cemetery.
Charles de Steuben debuted at the Salon de Paris in 1812 with a painting of Peter the Great in a storm on Lake Ladoga, which drew attention across the professional world.
Charles de Steuben trained first with the painter François Gérard in Paris, then enrolled at the École nationale supérieure des Beaux-Arts in February 1805, where he studied under Jacques-Louis David and Pierre-Paul Prud'hon.
Charles de Steuben went back to Russia in 1843 for 11 years, where he created seven paintings for Saint Isaac's Cathedral in Saint Petersburg.
Charles de Steuben painted mainly in sharp color contrasts, with heavy solid contours and clear outlines, as part of the French Romantic movement. He was a close friend of Eugène Delacroix, whom he portrayed several times, and critics praised his deliberate compositions, brushwork, and color effects.