*Scientist of the Day* 🌟 *Roger N. Shepard* Born: January 30, 1929 | Died: May 30, 2022 Field: Cognitive Science & Psychology Roger N. Shepard was an American cognitive scientist and psychologist, best known for his groundbreaking research on mental imagery and perception. *🔬 Key Contributions:* Developed the Shepard Tables Illusion, demonstrating how the brain misinterprets visual dimensions. Introduced mental rotation experiments, showing how the mind visualizes objects in space. Pioneered universal laws of generalization, influencing AI and machine learning. *📜 Legacy:* His work laid the foundation for modern cognitive psychology, neuroscience, and artificial intelligence, shaping our understanding of how humans perceive and interpret the world.