M. David Egan, Hon. AIA, is a consultant in acoustics and Professor Emeritus at the College of Architecture, Clemson University. He has been principal consultant of Egan Acoustics in Anderson, South Carolina for more than 35 years. A graduate of Lafayette College (B.S.) and MIT (M.S.), Professor Egan also has taught at Tulane University, Georgia Institute of Technology, University of North Carolina at Charlotte, and Washington University. He is the author of Concepts in Architectural Acoustics, Concepts in Thermal Comfort, Concepts in Building Firesafety, and Concepts in Architectural Lighting (two editions). In addition to consulting, teaching, and writing, Professor Egan is a fellow of the Acoustical Society of America, member of the National Council of Acoustical Consultants, and an Association of Collegiate Schools of Architecture (ACSA) Distinguished Professor.