Works
- The Nature of Six Sigma Quality, Motorola University Press, 1988
In Thinking Tools
Known for
A Motorola engineer credited, with Bill Smith, with developing Six Sigma, and often called its father. He explained the 1.5 sigma shift behind the 3.4 defects per million target and wrote widely on the method.
Caveat: The 1.5 sigma shift built into the 3.4 defects per million figure rests on his tolerancing argument about a stack of discs, not on measured process data.