Wright had close contact with the pioneering industrialists of the Midlands. Two of his most important patrons were Josiah Wedgwood, credited with the industrialization of the manufacture of pottery, and Richard Arkwright, regarded as the creator of the factory system in the cotton industry. One of Wright's students, William Tate, was uncle to the eccentric gentleman tunneler, Joseph Williamson, and completed some of Wright's works after his death. Wright also had connections with Erasmus Darwin and other members of the Lunar Society, which brought together leading industrialists, scientists, and philosophers. Although meetings were held in Birmingham, Erasmus Darwin, grandfather of Charles Darwin, lived in Derby, and some of the paintings by Joseph Wright of Derby, which are notable for their use of brilliant light on shade, are of, or were inspired by, Lunar Society gatherings.