User talk:Bh1231969

This is my talk page.

Flickr uploads

 * Flickr upload bot
 * flickr BY-SA
 * flickr BY

Gertrude Blanch
Pi.1415926535 (talk) 21:59, 15 October 2013 (UTC)
 * Smithsonian - Oral History interview
 * University of Minnesota - papers
 * Biography
 * IEEE page