Vintage Classroom Cinematic Portrait

Cinematic portrait of the man in the picture
(preserve 100% facial details of this man), [setting]. The camera is shot from a distance, with a small section of the chair's back visible in front, as if the photographer was taking the portrait discreetly or in a quiet moment. [lighting] reflects from a small window or gap in the right wall, forming diagonal lines of light that fall directly on the man's face, creating a dramatic and emotional contrast.
The man sits alone in a chair, his feet resting on the desk, with a relaxed and cool expression, as if lost in thought.....