Year	Prize Winners
2004	J.-F. Carrier, L. Beaulieu, R. Roy and O. Bertrand Hotel-Dieu de Quebec, Universite Laval, and Hopital Laval Simulation of a Radioactive Eleuting Stent Using Geant4	M. Oliver, J. Chen, E. Wong, T. Kron, J. Van Dyk, and F. Perea University of Western Ontario and London Regional Cancer Centre A Dosimetric Comparison of Four External Beam Techniques For Accelerated Partial Breast Irradiation: Set-up of Study and Preliminary Results
2003	Greg Solomons, A. Kerr, G. Hajdok, M. Rogers, C. Dyck, J. Schreiner Kingston Regional Cancer Centre Further Progress in Colbalt-Tomotherapy at KRCC	Nada Tomic, C.J. Thompson, F. Cayouette Montreal Neurological Institute and McGill University Investigation of the origin of the "Block Effect" which blurs the images obtained with commercial PET scanners
2002	(not awarded)	(not awarded)
2001	David Wilkins, Joanna Cygler, Gad Perry, Marco Carlone, Peter Raaphorst Ottawa Regional Cancer Centre, Ottawa, Ontario Radiobiological considerations in fractionation of radiotherapy for prostate cancer	Raoul Pereira Seaman Family MR Centre, University of Centre, University of Calgary, Alberta Effect of b-value on contrast for diffusion-weighted magnetic resonance imaging assessment
2000	(not awarded)	(not awarded)
1999	J. P. Seuntjens, C.-M. Ma Ionizing Radiation Standards, National Research Council of Canada and Stanford University, CA Dose conversion factors and depth scaling for tissue dose calculations in kilovoltage x-ray beams	R. Ananthamoorthy, A. T. Kerr Kingston Regional Cancer Centre and Queen’s University Modelling and error detection capabilities of a strip ion chamber for Varian dynamic wedge treatments
1998	A. Berndt, J. Bews, S. Rathee, D. W. Rickey Manitoba Cancer Treatment and Research Foundation A high-dose-rate brachytherapy computed tomography scanner	C. T. Chin, P. N. Burns Sunnybrook Health Science Centre and University of Toronto Predicting acoustic response of a microbubble population for ultrasound contrast imaging
1997	D. Gobbi, J. C. Armitage, M. S. Dixit, J. Dubeau, P. C. Johns, D. Karlen, F. G. Oakham Carleton University Photon-counting radiography with xenon gas microstrip detectors	K. Emde, M. Yaffe, D. Plewes, M. Leitch, S. Graham Sunnybrook Health Science Centre Adipose and glandular tissue-mimicking material for use in both x-ray and MRI
1996	R. Kelly, K. Jordan, J. J. Battista London Regional Cancer Center and University of Western Ontario Optical CT Reconstruction of Gel Dosimeters

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