Alonso de Covarrubias was a prominent Spanish architect and sculptor during the Renaissance period, born in 1488. He is best known for his work in Toledo, where he contributed to the design of several important buildings, including the Toledo Cathedral. His style combined elements of Gothic and Renaissance architecture, showcasing intricate details and harmonious proportions. Covarrubias also played a significant role in the development of Spanish architecture by introducing new techniques and ideas. He was a key figure in the transition from the late Gothic style to the more classical Renaissance style, influencing future generations of architects and artists in Spain.