My days with Dorian were few, informative, enlightening, and fun. I "apprenticed" under him and delivered his materials at Motorola, as scripted by their training staff, under the titles of "Applied Diagnostic Tools and Planned Experimentation" in the 1980s. The content, organization, and the philosophy of his statistical engineering methods have matured over time. The contributions of his sons, Peter and Richard, are evident in later presentations. I agree with comments by discussants on Dorian's unique engineering problem-solving talents. Some discussants comment on his lack of depth in statistics. I concur that some of his intuitive extensions of statistical results did not meet with the approval of those having more knowledge. Here, I am referring to his extensions of the B versus C decision rules to the analysis of factorial experiments, and the artificial averaging of data to utilize his B versus C framework. Tukey's rule handles the latter; attempts to generalize his work to address the former have not succeeded.
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