Final answer:
Eugène Delacroix is the artist who created works like 'Liberty Leading the People' and 'The Massacre at Chios,' key paintings in the French Romantic movement.
Step-by-step explanation:
The artist who created the work in question is Eugène Delacroix, a renowned figure in the French Romantic movement. His significant contributions to the art world include masterpieces such as Liberty Leading the People (1830) and The Massacre at Chios (1824), which reflect the spirit of his times with compelling imagery and vivid emotional depth. Delacroix's paintings, characterized by dramatic themes, expressive brushwork, and bold use of color, marked a departure from Neoclassicism and helped shape the future of art, influencing later movements and painting styles.