Layamon was an English poet active in the late 12th and early 13th centuries, best known for his epic poem, the 'Brut.' This significant work is notable for being the first to recount the legends of King Arthur and the Knights of the Round Table in the English language, marking a pivotal moment in the development of English literature. Layamon's 'Brut' draws upon earlier sources, including the French 'Roman de Brut' by Wace, but it is distinguished by its unique blend of Anglo-Saxon poetic tradition and Norman influence, showcasing Layamon's skill in weaving narrative with lyrical elements. The 'Brut' not only solidified the Arthurian legends in English culture but also contributed to the formation of a national identity during a time when England was grappling with its own historical narrative. Layamon's work influenced subsequent generations of writers and poets, establishing a foundation for the rich tapestry of Arthurian literature that would flourish in the Middle Ages and beyond. His legacy endures as a crucial figure in the transition from Old English to Middle English literature, highlighting the cultural and linguistic shifts of his time.