KENNETH DEWHURST, Willis's Oxford lectures, Oxford, Sandford Publications, 1980, 8vo, pp. x, 182, illus., £9.00. In 1660, Thomas Willis, then aged thirty-nine, was appointed the fourth Sedleian Professor of Natural Philosophy at Oxford. Provision for the chair had been made in the will of Sir William Sedley in 1618. Although the professor was expected to discourse on Aristotelian physics, Willi...