Letter, from Anthony Lucas to Henry Oldenburg, dated at Liege Sends observations of Newton's experiments about light and colour, which he has carried out independently, and conveys his reservations about the new theory Figure in the margin Read to the Royal Society on 8 June 1676 Lucas, a Jesuit, and Professor of Theology at Liege (1672), later Rector of the English College at Rome (1687) 27 March 1676