Here's a picture of the Baal Shem Tov, apparently brought to us by the power of the bagel:

I found an interesting photograph of someone named Izak ben Avraham, a ger in Kovno:

EDIT: If you're interested, keep checking this post, as I will keep adding things I found interesting. This is R. Koppel Charif, the great British-Jewish historian Charles Duschinsky's ancestor:
