Lyall Holmes
Ivan Lyall Holmes ( 16 October 1920 – 26 August 1970 ) was a New Zealand structural engineer whose advances in concrete masonry building methods in the 1950s and 1960s were central to the avant-garde style of modernist architecture known as New Brutalism which emerged in the 1950s . 
<triplet> Lyall Holmes <subj> 16 October 1920 <obj> date of birth <subj> 26 August 1970 <obj> date of death