Hugh Macdonald Sinclair
Hugh Macdonald Sinclair , FRCP ( 4 February 1910 – 22 June 1990 ) was a doctor and researcher into human nutrition . 
<triplet> Hugh Macdonald Sinclair <subj> 4 February 1910 <obj> date of birth <subj> 22 June 1990 <obj> date of death