where he criticized John Seddon for saying that Womack and Jones made up the "without standards there can be no improvement" quote - Seddon said "Ohno never said that."
Turns out, it was Masaaki Imai, thanks to an email notification I received about the post. Womack and Jones never made that up at all.
In a new comment, Graban cited Masaaki Imai's "Gemba Kaizen" book:
“Where there is no standard, there can be no improvement. For these reasons, standards are the basis for both maintenance and improvement”