[muawiyah]

The traditional castes and classes were far more complex ~ even at that time. First, there were the warrior class folks, then the ruling class, then the religious class, then the merchant class, then the commoners, then the peasantry, then the.........

Going back further there'd been a hunter class, a gatherer class, a village class, a warrior class, ......

It is easy to imagine that Egypt had a "construction class" with it's own form of engineers, project managers, and acquisitions specialists.

[edcoil]

“It is easy to imagine that Egypt had a “construction class” with it’s own form of engineers, project managers, and acquisitions specialists. “

Yes, you are correct. They were called “masons”. Term masons actually dates back to the 9th grandson of Adam - when his father divided his tribe into builders and those that supported the builders when the first city in the bible was built.

They taught geometry to the Egyptians - initially because during the raining season plots of land were flooded and markers were lost so a system of geometry was provided so when the new planting season was started every owner knew where there land started and stopped.