Nicholas B. Lydon FRS (born 27 February 1957) is a British scientist and entrepreneur. In 2009, he was awarded the Lasker Clinical Award and in 2012 the Japan Prize for the development of Gleevec, also known as Imatinib, a selective BCR-ABL inhibitor for the treatment of chronic myeloid leukaemia (CML), which converted a fatal cancer into a manageable chronic condition.