Deletion of Helen M. Duncan

Comment: Fails 
Stance: delete
Cited policy: Wikipedia:Notability (WP:PROF)

Comment: I think this clearly passes the  test, both because of the strategic importance of fluorspar at the time of her work, and because women pioneers in this field were rare, hence noteworthy
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)

Comment: because of her contributions to geology.  does not so much apply, since she was a working scientist and not a academic
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)

Comment: per Wikipedia:Notability_(people)#Basic_criteria. Helen Duncan is covered in reasonable depth by reliable, independent sources (the first two in the list of references). There is no need to invoke the specialized criteria in 
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)

Comment: per Sarasays. This person is a prominent war worker, not simply an academic. I'd also like to suggest that scientific contributions to the WWII war effort be considered as fulfilling , which says the "scholarly discipline" should be "broadly construed" rather than restricted to standard academic literature. Additionally, I see her master's thesis called "a classic in its field
Stance: keep
Cited policy: Wikipedia:Notability (WP:PROF)