The Ghost Architectural Laboratory is the research facility of MacKay-Lyons Sweetapple Architects Limited. It is an education initiative designed to promote the transfer of architectural knowledge through direct experience - project based learning taught in the master-builder tradition - with emphasis on issues of landscape, material culture, and community.

Ghost participants included: Jane Abbott (Dalhousie University), Nicholas Bourque (University of Louisiana at Lafayette), Andrew Corrigan (Rice University), Kelli David (Dalhousie University), Nellie DeBruyn (from Michigan), John C. Fleming (University of Michigan), Jeff Gonsoulin (University of Louisiana at Lafayette), Nicholas Groch (University of North Carolina at Charlotte), Whitney Izor (Syracuse University), Chris Johns (Massachusetts Institute of Technology), Etienne Lemay (Dalhousie University), Associate Professor William Martella (University of Tennessee at Knoxville), Martin Patriquin (Dalhousie University), Paul Pierson (Cornell University), Professor Russell Rudzinski (University of Arkansas), Mohamed Sheriff (Illinois Institute of Technology), Lauren Wise (University of North Carolina at Charlotte), and Jeff Schroeder (Office of Frank Harmon Architect).