The Professor, a main character in The Housekeeper and the Professor (hakase no ai shita suushiki) by Yoko Ogawa, has short-term memory problems following a traumatic head injury.
From the publisher:
He is a brilliant maths professor with a peculiar problem – ever since a traumatic head injury seventeen years ago, he has lived with only eighty minutes of short-term memory. She is a sensitive but astute young housekeeper who is entrusted to take care of him. Each morning, as the Professor and the Housekeeper are reintroduced to one another, a strange, beautiful relationship blossoms between them. The Professor may not remember what he had for breakfast, but his mind is still alive with elegant equations from the past.
UK publisher: Shinchosha Publishing Co, Ltd (2003)
Author represented by: Anna Stein of Curtis Brown (UK)
Language: Japanese, English (translation)