Deletion of David J. Palmer

Comment: per above. I tried to |fix this page, but |it relies on two primary sources.  I also |tried to find additional sources https://www.google.com/search?ei=ytqlXeOzLOiv_QakqYho&q=%22David+J.+Palmer%22+-wikipedia+-medicine+-twitter+-facebook+-theater+-design&oq=%22David+J.+Palmer%22+-wikipedia+-medicine+-twitter+-facebook+-theater+-design&gs_l=psy-ab.3...24089.25075..25552...0.0..0.95.439.6......0....1..gws-wiz.MZj5SMRZ7gw&ved=0ahUKEwjjwP_tv57lAhXoV98KHaQUAg0Q4dUDCAs&uact=5 with several iterative searches but found nothing additionally that was not from his employer
Stance: delete
Cited policy: Wikipedia:The Heymann Standard (WP:HEY||WP:RS||WP:BEFORE)