Christopher Dye
Christopher Dye FRS , FMedSci ( born 15 April 1956 ) is a British biologist , epidemiologist and public health specialist who has held positions at the London School of Hygiene and Tropical Medicine , the World Health Organization , Gresham College London and the University of Oxford . 
<triplet> Christopher Dye <subj> 15 April 1956 <obj> date of birth