Professor Helena Rasiowa
Additional links:
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Rasiowa.html
http://www.math.helsinki.fi/EWM/newsletter/news2/node10.html
http://comet.lehman.cuny.edu/fitting/bookspapers/pdf/papers/Rasiowa.pdf
http://www.computer.org/proceedings/ismvl/7392/73920147.pdf
http://www.mat.ub.es/~font/F99berr.pdf
http://www.cs.utwente.nl/data/amast/links/v02/i01/AL0201O1.html
http://www.filozof.uni.lodz.pl/bulletin/v2534.html