as he is today; and his duty toward
About two or three hundred thousand years ago man was puttering away at his job as he is today. Primitive industry was carried on through family groups for the family group. However, ability soon manifested itself and it became expedient for certain individuals to travel from home to home and work up raw materials grown or produced by another...
— John Riess, “The Contracting Engineer — A cog in the wheel of industry — his professional relationship and his duty toward labor,” being an “address of the retiring president” in
Proceedings of the Louisiana Engineering Society 7:1 (February 1921) : 25-32