Deletion of Kathy Barker

Comment: Agree with DGG. According to WorldCat her two most widely held books in libraries - At the bench: a laboratory navigator, and At the helm: a laboratory navigator – are held by 304 and 265 libraries worldwide. Also, these books seem to be http://www.google.com/search?hl=en&q=%22Kathy+Barker%22+syllabus widely used as textbooks, which qualifies her under  criterion #4
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)