Sebastián Boscán was a notable Spanish poet born in the early 16th century, specifically around 1492. He is best known for his contributions to the Spanish Renaissance literature, particularly for his use of Italian sonnet forms. Boscán's poetry often explored themes of love and nature, reflecting the influences of Petrarch and other contemporary poets. Boscán's most significant work is the collection titled "Sonetos," which he published in collaboration with his friend Garcilaso de la Vega. This collection helped to popularize the sonnet form in Spanish literature. Boscán's writing is characterized by its emotional depth and lyrical beauty, making him an important figure in the development of Spanish poetry.