Long Citation
Theodore Shepherd is the leading Canadian atmospheric dynamicist of his generation. His contributions, based upon sophisticated analyses of the interactions between atmospheric waves and the stratospheric circulation, have led to seminal insights. Through his creative scientific leadership of the Canadian Middle Atmospheric Model (CMAM) collaboration, and contributions to the international stratosphere-related SPARC programme and the most recent UNEP/WMO Ozone Assessments, he has brought great credit to the Canadian community. His recent service as Chief Editor of the Journal of the Atmospheric Sciences, the leading journal in the field internationally, is further confirmation of his high stature.

Short Citation
Theodore Shepherd is the leading Canadian atmospheric dynamicist of his generation. His contributions, based upon sophisticated analyses of the interactions between atmospheric waves and the stratospheric circulation, have led to seminal insights. Through his creative scientific leadership he has brought great credit to the Canadian community. His recent service as Chief Editor of the Journal of the Atmospheric Sciences is further confirmation of his high stature.