Final answer:
In Ray Bradbury's 'Fahrenheit 451', Granger is responsible for memorizing 'Plato's Republic', reflecting the novel's emphasis on preserving knowledge and philosophy.
Step-by-step explanation:
The question you're asking refers to Ray Bradbury's novel Fahrenheit 451. In this dystopian narrative, various characters are tasked with memorizing books to preserve their contents in a society where books are banned and burned. The character Granger, who leads the group of intellectuals, is responsible for remembering Plato's Republic. This text is a critical piece of philosophical literature, and its selection for memorization within the novel signifies the importance of philosophy, knowledge, and critical thinking in the face of oppression.