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  • Dr Justine Bayley
  • Honorary Senior Research Associate
  • j.bayley@ucl.ac.uk
  • UCL Institute of Archaeology, 31-34 Gordon Square, London WC1H 0PY UK

Justine Bayley

Justine Bayley worked at the Ancient Monuments Laboratory, now part of English Heritage, from 1973-2010, leading its Technology Team from 1981. Their work included identifying remains of past industries and examining and analysing finds from archaeological excavations. She acted as scientific advisor and specialist contributor to many EH- and developer-funded archaeological projects as well as carrying out a range of research projects. In 2011-12 she worked for the Portable Antiquities Scheme as national advisor for Roman finds.

She has taught and supervised students at universities in Britain and abroad, currently at UCL and the Architectural Association, and has run numerous ‘Slag Days’ (hands-on teaching to familiarise archaeologists with industrial residues). She is a member of the Historical Metallurgy Society, the Association for the History of Glass, and the Later Prehistoric, Roman and Medieval Finds Research Groups. She is currently President of AHG, Chair of the RFG, and since 1990 has been joint Honorary Editor of Historical Metallurgy.

She chairs several Conservation Area Advisory Panels for the London Borough of Hillingdon and acts as secretary to the Friends of the Great Barn at Harmondsworth who manage the building on behalf of English Heritage.

Qualifications and awards: BSc in physics with chemistry (University of Sussex 1971), MSc in archaeology (Institute of Archaeology, UCL 1973) and PhD on Non-ferrous metalworking in England: late Iron Age to Early Medieval (University of London 1992). Churchill Fellowship (1979) for travel to Germany and Scandinavia to study Dark Ages metal and glass working. Fellow of the Society of Antiquaries of London since 1989.

Research interests and current projects

Her research interests mainly concern aspects of non-ferrous metal and glass working of the last two millennia, focusing on the British Isles but set within a European context. She is a member of the Early Glass Technology Research Network (EGTRN).

Current projects include:

  • Non-ferrous metalworking in Roman Britain
  • Viking metalworking in Dublin (with National Museum of Ireland) and in Lincoln (with Letty Ten Harkel, IoA Oxford)
  • Roman and medieval silver production and refining
  • The Tudor Mint at the Tower of London (with Harriet White, IoA UCL and Megan Gooch, Historic Royal Palaces)
  • Romanisation of Iron Age precious metals
  • Roman enamelling
  • Early medieval brass ingots (with Jonathan Cotton, Thilo Rehren, UCL Qatar, and Ernst Pernicka, CEZ Archäometrie Mannheim)
  • Medieval music wire
  • Medieval high-lead glass (with Bernard Gratuze, CNRS Orléans)


  • Bayley J, Freestone I, and Jackson C (eds) in press Glass of the Roman Empire Oxford: Oxbow.
  • Bayley, J, Crossley, D and Ponting, M (eds) 2008 Metals and metalworking: a research agenda for archaeometallurgy (HMS Occasional Publication 6). London: Historical Metallurgy Society.
  • Bayley, J and Butcher, S (2004) Roman brooches in Britain: a technological and typological study based on the Richborough collection. London: Society of Antiquaries of London (Report of the Research Committee 68).
  • Bayley, J, Dungworth, D and Paynter, S (2001) Archaeometallurgy. London: English Heritage (Centre for Archaeology Guidelines 2001/01).
  • Bayley, J (ed) (1998) Science in Archaeology: an agenda for the future. London: English Heritage.

Selected book chapters and journal articles

  • Bayley, J, Cotton, J, Rehren, T and Pernicka, E in press ‘A Saxon brass bar ingot cache from Kingsway, London’ in Cotton J et al (eds), ‘Hidden histories and records of Antiquity’: Essays on Saxon and Medieval London London: LAMAS (Special Papers Series).
  • Bayley, J 2013 ‘Metalworking in Viking Dublin’ in J Hawkes (ed), Making Histories: Proceedings of the Sixth International Conference on Insular Art. Donington: Shaun Tyas, 37-41.
  • Bayley, J and White, H 2013 ‘Evidence for workshop practices at the Tudor mint in the Tower of London’ in D Saunders (ed), The Renaissance Workshop. London: British Museum, 138-143.
  • Bayley, J 2012 ‘A great masterpiece of medieval carpentry’, British Archaeology 127, 36-38.
  • Bayley, J 2009 ‘The discovery of precious metal refining in Roman Chichester’ in Moreau, J-F, Auger, R, Chabot, J and Herzog, A (eds), Proceedings of the 36th International Symposium on Archaeometry. Québec: CELAT, Université Laval (Cahiers d’Archéologie du CELAT 25), 425-432.

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