Allan Watt Downie
Allan Watt Downie FRS ( 5 September 1901 – 26 January 1988 ) was a Scottish microbiologist involved in the eradication of smallpox . 
<triplet> Allan Watt Downie <subj> 5 September 1901 <obj> date of birth <subj> 26 January 1988 <obj> date of death