Ian Craig is an upbeat science teacher at a secondary school in fictional Straithard, Scotland. He deals with the troubles of his students and colleagues in an optimistic fashion and shares ... Read allIan Craig is an upbeat science teacher at a secondary school in fictional Straithard, Scotland. He deals with the troubles of his students and colleagues in an optimistic fashion and shares their triumphs.Ian Craig is an upbeat science teacher at a secondary school in fictional Straithard, Scotland. He deals with the troubles of his students and colleagues in an optimistic fashion and shares their triumphs.