Joseph Iano is an author, illustrator, and practicing architect who has taught design and technology in schools of architecture throughout the United States. He has collaborated on numerous publications over a span of more than 30 years. Currently, he runs a Seattle firm that provides technical, quality management, and communications consulting to the design and construction industry.

Edward Allen, FAIA (1938 2020) taught more than 35 years as a faculty member of Yale University, Massachusetts Institute of Technology, and other North American schools of Architecture and Design. Over the course of a professional career spanning five decades, he influenced a generation of architectural educators, designed more than 50 constructed buildings, and was the best-selling coauthor of Fundamentals of Building Construction, Form and Forces, Architectural Detailing, Fundamentals of Residential Construction, and many other architectural works in print.