1991 - Norman Trams - Optically bright post-AGB stars
1990 - Jacques Claas - X-ray observations of supernova remnants
1988 - Paul Hick - Interpretations of energetic phenomena in the solar corona
1988 - Fred Jansen - X-ray photometric morphology of the Cas A and Puppis A supernova remnants
1988 - Dick Simons - An imaging gas scintillation spectrometer for X-ray astronomy
1988 - Cheng-Yue Zhang - Studies of star formation and planetary nebulae
1987 - Rens Waters - Infrared studies of mass loss from hot stars
1987 - Peter Roelfsema - Radio recombination line observations of HII regions and planetary nebulae
1987 - Hendrik van der Woerd - A multiwavelength study of superoutbursts in dwarf novae
1987 - Frits Paerels - X-ray spectroscopy and photometry of hot white dwarfs
