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Richard Walker Author & Editor

Richard Walker has been an avid astronomer since he was aged twelve. He spent his career in civil engineering, planning large projects such as power plants, dams and tunnels. Now retired, in the last ten years he has focused increasingly on stellar astronomy and on the indispensable key to this topic – spectroscopy. He undertook a large observing project to record and document the spectra of the most important astronomical objects, and chose to share this gathered information for the benefit of other amateurs worldwide. Marc Trypsteen is a Belgian pharmacist and astronomer, with a background in analytical chemistry and spectroscopy. He has lectured on astronomical spectroscopy at university, high schools, observatories and astronomy clubs. He is co-founder of the Astro Event Group Belgium and also of the Astropolis Space Science Center in Ostend, where, in addition to outreach activities, he is responsible for the section on spectroscopy education and research.