The lack of women in Wikipedia (and female related topics) is being adressed in several ways. Here are some ways that work and some ways that don't, along with some good advice and links to relevant pages.
8. The problem of Kate
Middleton's dress.
Wikipedia is
not one
encyclopedia.
It's many
encyclopedias
of varying
quality.
The non-problem of
several hundred
Ubuntu articles.
11. Unlocking the Clubhouse: Five
ways to encourage women to edit
Wikipedia
http://bit.ly/1exTrxG
Nine Reasons Women Don’t Edit
Wikipedia (in their own words)
http://bit.ly/18hkg1H