Christopher Wren was a renowned English architect, mathematician, and scientist who lived in the 17th century. He is best known for his work in designing and rebuilding many iconic buildings in London after the Great Fire of 1666, including the majestic St. Paul's Cathedral. Wren's architectural style is often associated with the English Baroque period, characterized by grandeur and intricate detailing. In addition to his architectural achievements, Wren made significant contributions to the fields of astronomy and anatomy, further solidifying his legacy as a polymath of his time.