DHA 44

Dyes in History & Archaeology

Ottawa, Canada

7-10 October 2025

Draft programme - Session summary 
*Please note that all times below are EST*

 

Day 1 - 7 Oct

Day 2 - 8 Oct

Day 3 - 9 Oct

Day 4 -  10 Oct

12:00 – 13:00

 

Registration

Welcome

Welcome

Welcome

15:15 – 16:45

Session 1 – Oral presentations

Q&A

Session 3 – Oral presentations

Q&A

Session 5 – Oral presentations

Q&A

Session 7 – Oral presentations

Q&A

Session 9 – Oral presentations

Q&A

16:45 – 17:00

Break

Break

Break

Break

Break

17:00 – 17:20

Session 2 – Quick-fire presentations

Session 4 – Quick-fire presentations

Session 6 – Quick-fire presentations

Session 8 – Quick-fire presentations

Session 10 – Quick-fire presentations

17:20 – 17:30

Break

Break

Break

Break

Break

17:30 – 18:30

Events

Events 

Events

Events 

Events 

Programme - Session Breakdown (TBD)
*Please note that all times below are EST*

Tuesday 7th October - Day 1

12:00– 13:00

Registration

13:00– 13:45

Welcome andSpeeches

 

Poster Session 1 - Quick-fire Presentations

Chair:  TBD

13:45 - 14:45

 

 

 

 

 

 

Q&A

 

14:45 - 15:30

Coffee Break and Poster viewing

Poster Session 2 - Quick-fire Presentations

Chair: TBD

15:30 – 17:00

 

 

 

 

 

 

 

 

 

 

 

 

Q&A

Events

17:00 – 18:00

Reception in NCG Foyer

 

Wednesday 8th October - Day 2

08:30 - 09:00

Registration

 Session 1 

Chair: TBD

09:00 – 10:20

Islam Shaheen*, Paola Buzi, Margarita Gleba, Paula Nabais, Maria João Melo, Nagmeldeen Hamza

The Colors of Tutankhamun: An archaeological study and documentation of the natural dyes found in the Tutankhamun textile collection

 

Ruth Ann Armitage*, Ann H. Peters, Avi Dragun, Malak Shehab, Jaime Williams, Imani Peterkin, Kathryn Jakes, John Southon, Collin Sauter and James Moran

Comparing related Paracas mantles and clothing objects: dyes, dates, and more data

 

Cynthia Connelly Ryan* and David Kim

 Non-Invasive Characterization of Meso-American Organic Yellow Dyes


10:20 - 10:50

Q&A

Coffee Break

 Session 2 

Chair:  TBD

10:50 – 12:10

Noemí Cubas Martín* and Ian King

Dyed not Dead: An Exploration of Medieval Icelandic Dyeing Tradition Using Reflectance Spectrometry (FORS and Spectragryph)’

 

Jian Liu*, Ruqian Wang, Anikó Moór

The Use of Natural Dyes in the 15th-19th Century Textiles in East and West

 

Laura Maccarelli* and Ashley Freeman

Dyes analysis of an Iranian Lampas textile panel from the LACMA’s collection

 

Q&A

 

12:15 - 14:00

LunchBreak

Session 3 

Chair:  TBD

14:00 - 15:20



Joanne Dyer*, Samantha Taylor, Rebecca Snow, Emma Turner, Andrew Meek, Olenka Horbatsch and Charlotte Wytema

Cross craft colours: the unusual mauve washes observed in Hans Bol’s drawings

Katarina Batur, Adelphine Bonneau*, Maarten van Bommel, Irena Radić Rossi 

International Trade with Red Lake Pigments in the Late Renaissance Mediterranean: Understanding Composition of the Pellet from the Cargo of the Merchant Ship Gagliana grossa (Gnalić Shipwreck)

Delanie Linden

Chevreul, Color Juxtaposition, & the ‘Flat Tints’ of Chinese Painting

Q&A

Break

 Session 4 

Chair: TBD

16:00 – 17:00

Eva Eis

Dyeing with a coffee cup? Challenging recipes from a 19th century dyer´s handbook

 

Peppi Toukola*, Juuso Laitila, Susanne K. Wiedmer, Petri Heinonen, Riikka Räisänen

An optimized mild extraction method for the analysis of historical dyes by HPLC-DAD-Orbitrap-MS with application to Finnish historical dyes

19:00 

Conference dinner at CMH

 

Thursday 8th October - Day 3

08:30 - 09:00

Registration

Session 5 

Chair: TBD

9:oo – 10:20

Anete Karlsone

Research on the red color of the Lielvarde woven belt in Latvia

 

Liis Luhamaa*, Riina Rammo, Krista Wright, Riikka Räisänen

A Simple Black: Traditions of Using Iron-Rich Mud for Dyeing in Eastern Baltic Region

 

Molla Tadesse Abate*, Abera Kechi Kabish, Michael Rauch

Echoes of Color: Indigenous Dyeing and Painting Traditions and the Revival of Natural Dyes in Ethiopia

Session 6

Chair: TBD

17:00 – 17:05

Karla Muñoz-Alcocer, Laura Fuster-López & Ma. Luisa Vázquez de Ágredos Pascual

17:05 – 17:10

Regina Hofmann-de Keijzer, Beatrix Petznek, Ivan Radman-Livaja,
Ines Bogensperger & Andreas G. Heiss

17:10 – 17:15

Monica Gulmini, Diego Tamburini, Joanne Dyer, Marie Vandenbeusch, Matilde Borla, Debora Angelici, Maurizio Aceto, Cinzia Oliva, Federica Facchetti, Sara Aicardi & Patrizia Davit

17:15 - 17:30

Break

Events

Chair: Maarten van Bommel

17:30 - 18:30

Breakout rooms

Friday 10th October - Day 4

15:00 - 15:15

Welcome

Session 8 - Quick-fire Presentations

Chair: Jennifer Poulin

17:00 – 17:05

Ilaria Degano, Francesca Sabatini, Sara Bonifazi, Ruth Ann Armitage &Jocelyn Alcantara-Garcia

17:05 – 17:10

Art Ness Proaño Gaibor, Sasja van der Vaart-Verschoof, Karina Grömer & Ineke Joosten

17:10 – 17:15

Eugenia Geddes da Filicaia, David Peggie & Richard Evershed

17:15 – 17:20

Ilaria Serafini, Flaminia Vincenti, Kathryn Raeburn McClure, Alessandro Ciccola, Camilla Montesano, Manuel Sergi, Gabriele Favero & Roberta Curini

17:20 - 17:30

Break

Events

Chair: Joanne Dyer

17:30 - 18:00 

Invited guest: Cecilia Pardo Grau

Introduction to and virtual tour of the exhibition, “Peru: a journey in time”

18:00 - 18:30

Panel discussion

With Cecilia Pardo Grau, Nilda Callañaupa & Elena Phipps.

Friday 19th November - Day 5

15:00 - 15:15

Welcome

 Session 9 - Oral Presentations

Chair: Yiannis Karapanagiotis

15:15 – 15:35

Francesca Sabatini, Eva Eis, Francesca Magini, Ilaria Degano & Thomas Rickert

15:40 – 16:00

Alessandro Ciccola, Ilaria Serafini, Flaminia Vincenti, Kathryn Raeburn McClure, Camilla Montesano, Manuel Sergi, Gabriele Favero,  Paolo Postorino & Roberta Curini

16:05 – 16:25

Diego Tamburini, Joanne Dyer,Monique Pullan, Teresa Heady, Alice Derham, Meejung Kim-Marande, Yu-Ping Luk & Imma Ramos

16:25 - 16:45

16:45 - 17:00

Q&A

Break

Session 10 - Quick-fire Presentations

Chair: Marei Hacke

17:00 – 17:05

Victor J. Chen, Robin Hanson, Robert E. Minto, Nicolas Manicke &Gregory D. Smith

17:05 – 17:10

Mohamed Dallel & Marie-Anne Sarda

17:10 – 17:15

Yun Zhang

17:15 – 17:20

Irina Petroviciu, Iulia Teodorescu, Silvana Vasilca, Laura Troșan & Florin Albu

17:20 - 17:30

Break

 Events

Chair: Jo Kirby

17:30 – 18:00

Invited talk:  Maarten van Bommel

Trends in Dyes in History and Archaeology.

18:00 - 18:30 

Closing Reception (Breakout Rooms)

 

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