What eminent English architect created designs for Devonshire House?
Devonshire House:  It was built for William Cavendish, 3rd Duke of Devonshire, in the Palladian style, to designs by William Kent. William Kent: William Kent (c. 1685 – 12 April 1748) was an eminent English architect, landscape architect and furniture designer of the early 18th century.
William Kent