Maud Karpeles is today's subject of the Oxford Dictionary of National Biography's "Life Of The Day" e-newsletter. Site link here, though it doesn't last forever.

http://www.oxforddnb.com/public/lotw/1.html

If it disappears, you can probably find it by clicking around from their home page, or else PM me for the text.

http://www.oxforddnb.com