There is also an article about him in the NY Times.  I did the same search Sherri did.  I am attaching a copy below.

Lisa Bracco

Searching:  Glowatz, Glowacz, Myszne, Chodakiewicz (Nowogrod, Ostrolenka, Ostrow Mazowiecka--Poland)
Goldhammer, Bader, Beder (Kossow, Zablotow--Galicia, now Ukraine)
Kronberg, Charmatz, Weiser (Galati, Braila--Romania)