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Deceased 03rd September 2018.
This page is maintained as a record of Allan's scientific contributions.
Allan's research interests largely involved the investigation of the most massive and luminous hot stars in galaxies, together with studies of the gas and dust in the interstellar medium. Particular emphasis had been placed on studying the physical and chemical nature of Wolf-Rayet stars, their mass loss properties and evolutionary status, which involved spectroscopic studies in many wavebands using both space satellites and ground-based telescopes, notably in the ultraviolet (using the IUE satellite), in the X-ray domain (using the ROSAT and ASCA satellites), in the mid-infrared (using the ISO satellite) and in the optical using telescopes at the Anglo Australian Observatory and the La Palma observatory.
Please click here to read further and to see Allan's list of publications.