John Vanbrugh was an English architect and playwright born in 1664. He is best known for his work in the Baroque style, particularly for designing the grand Castle Howard in Yorkshire and Blenheim Palace in Oxfordshire. His architectural style often featured dramatic forms and elaborate details, making him a prominent figure in 18th-century architecture. In addition to his architectural achievements, Vanbrugh was also a successful playwright. His most famous works include the comedies The Relapse and The Provoked Wife. He played a significant role in the development of English theatre during his time, blending wit and social commentary in his plays.