An elderly male professor in his 60s with wild gray hair, glasses, and a worn leather-bound book clutched in his hand, sitting in a rustic wooden armchair in front of a brick fireplace, with a warm glow and a hint of nostalgia radiating from the aging fireplace, surrounded by bookshelves filled with classic tomes and stacks of papers, with a hint of pipe smoke wafting through the air.

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An elderly male professor in his 60s with wild gray hair, glasses, and a worn leather-bound book clutched in his hand, sitting in a rustic wooden armchair in front of a brick fireplace, with a warm glow and a hint of nostalgia radiating from the aging fireplace, surrounded by bookshelves filled with classic tomes and stacks of papers, with a hint of pipe smoke wafting through the air.