Editor’s Note: Robert L. Helmreich, Ph.D., 75, and Capt. Bryan S. Wyness, 71, key figures in aviation safety over the last few decades, both died earlier this year (ASW, 7/12). In light of their many contributions to aviation safety, particularly in crew resource management and fatigue risk management systems, respectively, we asked several industry experts for their thoughts on what Helmreich and Wyness meant to aviation. Their comments have been edited for length and clarity.
Robert L. “Bob” Helmreich, Ph.D.
In the…

