One of Harvey Kurtzman's last projects was a history of comics called FROM AARGH TO ZAP. This article from the June 1971 ESQUIRE was a rough draft he did 20 years earlier.
I'm not sure who Yrrah was. I've only seen his work in ESQUIRE, like this cartoon from the same issue. It's "Harry" spelled backwards so maybe that was his real name.
Making cement from scratch is a massive pain - After watching this video of the gazillion stages it takes to make wood ash cement, not to mention all of the hand-made tools required to do it, I'll ne...
7 minutes ago