William Cavendish, 7th Duke of Devonshire returned for North Derbyshire. He succeeded his grandfather in the earldom of Burlington in 1834 and entered the House of Lords. In 1858 he also succeeded his cousin as Duke of Devonshire. He was Lord-Lieutenant of Lancashire from 1857 to 1891 and Lord-Lieutenant of Derbyshire from 1858 to 1891. Devonshire was Chancellor of the University of London from 1836 to 1856, Chancellor of the University of Cambridge from 1861 to 1891, and Chancellor of the Victoria University from 1880 to 1891. At Cambridge he endowed the Cavendish Professorship of Physics, and the building of the Cavendish Laboratory. He made vast
Cavendish Laboratory of Devonshire had given to Maxwell, as head of the laboratory, the manuscripts of Henry Cavendish's unpublished "Electrical Works". The editing and publishing of these was Maxwell's main scientific work while he was at the laboratory. Cavendish's work aroused Maxwell's intense admiration and he decided to call the Laboratory (formerly known as the Devonshire Laboratory) the Cavendish Laboratory and thus to commemorate both the Duke and Henry Cavendish. Physical Chemistry (originally the department of Colloid Science led by Eric Rideal) had left the old Cavendish site, subsequently locating as the Department of Physical Chemistry (under RG Norrish) in the then