Serendipity; a Reggio sketch, with a side of algebra.

I just came across something truly fantastic.



This is a sketch from Isaac Samuel Reggio's (Yashar) notebook, זכרונות. (good news travels fast, huh?)

This is the very image of a medallion I blogged about last week (link):



While we're at it, here's how Moses Mendelssohn apparently relaxed.

By doing algebra, or should I say, אלגעברא.