Edgar Arthur Ashcroft
Edgar Arthur Ashcroft ( 5 September 1864 – 24 August 1938 ) was an electrical engineer who developed an electrolytic process for extracting zinc metal from its sulphides . 
<triplet> Edgar Arthur Ashcroft <subj> 5 September 1864 <obj> date of birth <subj> 24 August 1938 <obj> date of death