He attended additional courses in Egyptology, Ethnology, Classical Archaeology, Ancient history, numismatics and linguistics.
With over one hundred professional publications, including many large and basic ones, he is one of the best known of the prehistorians from Austria and Central and Western Europe.
[4] Professor Raimund Karl was formerly a Research Fellow at the University of Wales Centre for Advanced Welsh & Celtic Studies Ancient Britain and the Atlantic Zone Project (Ireland, Armorica, and the Iberian Peninsula).
[5] His research interests and publications, while there, dealt with the Iron Age in Wales and Austria, Celtic social structure, and the Celtosceptic controversy.
[6] Together with his Austrian countryman David Stifter, professor for Old Irish at the University of Maynooth, Ireland, Karl is one of the international figureheads of Celtology.