Peter Trudgill is a prominent British linguist known for his work in sociolinguistics, which studies how language varies and changes in social contexts. He has contributed significantly to understanding dialects and language attitudes, particularly in the United Kingdom and Norfolk. Trudgill has authored several influential books and articles, making complex linguistic concepts accessible to a broader audience. His research often focuses on the relationship between language and identity, exploring how factors like class, gender, and ethnicity influence language use and perception.