Peter Opie was a British folklorist and scholar, best known for his extensive research on children's games, rhymes, and folklore. He co-authored the influential book, "The Lore and Language of Schoolchildren," which documented the rich oral traditions among children. His work highlighted the importance of these cultural expressions in understanding social dynamics and childhood experiences. In addition to his studies on children's folklore, Opie also contributed to the field of literature. He collaborated with his wife, Iona Opie, on various projects, including the collection of nursery rhymes. Their combined efforts have left a lasting impact on the study of folklore and children's literature.