John VaccariGeorge S. Brady, deceased, was a well-known engineer who worked on the Panama Canal. Henry H. Clauser, former Chief Editor and Publisher of Materials Engineering and the Materials Selector (an annual guide to the propertis of materials) and Editor of Research Management, is a consultant and freelance writer and editor. John A. Vaccari, former Chief Editor of Materials Engineering and the Materials Selector, Executive Editor of Design Engineering, and Senior Editor od American Machinist, is a consultant and freelance writer and editor. Read More Read Less