Use a phrase to describe a person who is still reading in a noisy environment

A person who is still reading in a noisy environment may be a person who is focused on learning or reading. He will not be disturbed by the surrounding noise and will be immersed in his own reading world. They could be a patient and persistent person who could overcome the distractions around them and stick to their goals. They could also be a knowledgeable person who could expand his knowledge by reading. In short, a person who was reading in a noisy environment was a person worthy of admiration.