Whilst looking for the correct spelling of several Jewish factory owners in
Dvinsk (now Daugavpils), Latvia, I came upon a wonderful listing of names
and the factories or businesses they owned. The URL below will take you to
this list:

http://www.roots-saknes.lv/Ethnicities/Jews/Texts/FactoriesDaugavpils.htm

And, what do you know, I found the three names I was looking for:
Griliches, Natanson and Zaks.

Ann Rabinowitz
annrab@...