Field
| 1978 | Dr. S. Meiring Naude | For contributions to Optical Spectroscopy
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| 1980 | Prof. F.R.N. Nabarro | For contributions to Physics of Crystal Dislocations
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| 1982 | Prof. W.E. Frahn | For contributions to Theory of Nuclear Reactions
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| 1984 | Prof. J.H. van der Merwe | For contributions to Theory of Epitaxial Growth
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| 1986 | Prof. R.H. Lemmer | For contributions to Theory of Nuclear Reactions
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| 1988 | Dr. Johann Carl Vogel | For pioneering work on the natural abundance of isotopes and the application thereof to dating of groundwater supplies and archaeology
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| 1990 | Prof. J.P.F. Sellschop | For contributions to ion beam physics, mineral physics and diamond physics
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| 1992 | Prof. M.W. Feast | For contributions to Astronomy
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| 1992 | Prof. P.H. Stoker | For contributions to Cosmic Research
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| 1994 | Prof. F.J.W. Hahne | For contributions to Theoretical Nuclear Physics
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| 1996 | No Award
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| 1998 | Prof. A.D.M. Walker | For contributions to physics of the ionosphere
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| 2000 | Prof. Paul de V. du Plessis |
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| 2002 | Prof. Walter Dieter Heiss | For contributions to Quantum Theory
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| 2004 | Prof. Roger Eduoard Raab | For contributions to the theory of Electromagnetic and Optical properties of molecules and crystals
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| 2006 | Prof. John Darrel Comins | For contributions to the study and understanding of the structure of materials, specifically the optical characterisation of structural, vibrational, electronic, and defect properties of solids |
