Final answer:
Tilden displayed realism and lifelike qualities in his sculptures through the use of polychromy and reflected light, causing a sensation among Victorian audiences. Rodin emphasized naturalism, character, and emotion through textured surfaces and the play of light and shadow, helping to pioneer the modern sculptural movement with his acclaimed 1900 Paris Exposition Universelle exhibit.
Step-by-step explanation:
Tilden's sculptures, exemplified by his most famous work, The Tinted Venus, showcased his innovative use of polychromy and an animating technique with pools of reflected light on the glistening waxy surface that mimicked lifelikeness to a remarkable degree, even leading to public outrage due to its realism.
Similarly, Rodin's contributions to modern sculpture centered around a naturalistic approach, emphasizing character and emotion, and his creative manipulation of surfaces signaled a radical departure from traditional sculpture.
His work was celebrated for its textured surfaces and interplay of light and shadow, suggesting emotion and physical character, which was demonstrated during his influential exhibit at the 1900 Paris Exposition Universelle.