LEONARD MAYER, AIA, is Principal of The Planning Collaborative, Ltd., a consulting firm that specializes in programming and planning laboratory and health care facilities. He has master planned and programmed more than 22 million gross square feet of research and clinical laboratory and health care facilities. Mr. Mayer is a former director of Professional Practice Programs at the American Institute of Architects and the editor of Architects Handbook of Professional Practice, AIA Documents Series, and the First Edition of Legal Citations File. He also assisted the College of American Pathologists' Laboratory Function and Design Committee in the revision of the Medical Laboratory Planning… and Design Manual and is currently a member of the National Committee on Clinical Laboratory Standards' Subcommittee on Laboratory Design and Safety.