In the Supreme Court of Canada, between Strathearn Boyd Thomson (Defendant) Appellant, and Leon Lambert and Mary Lambert (Plaintiffs) Respondents : factum of the appellant. Smith, Rae, Greer & Cartwright : Solicitors for Appellant. McMaster, Montgomery, Fleury & Co. : Solicitors for Respondents. Hughes & Anglin : Ottawa agents for Appellants. Henderson, Herridge, Gowling and Mactavish : Ottawa agents for Respondents.