William Henry Meadowcroft
William Henry Meadowcroft ( 29 May 1853 in Manchester – 15 October 1937 in Boonton , New Jersey ) was the secretary of Thomas Edison and author of several books , including "The A B C of Electricity" ( 1888 ) . 
<triplet> William Henry Meadowcroft <subj> 29 May 1853 <obj> date of birth <subj> Manchester <obj> place of birth <subj> 15 October 1937 <obj> date of death <subj> Boonton, New Jersey <obj> place of death <subj> Thomas Edison <obj> employer