The lead author of this study, Linda M. Seymour, worked with Jackson on reference 29, on the mortar of the Tomb of Caecilia Metella, which is referenced repeate

The lead author of this study, Linda M. Seymour, worked with Jackson on reference 29, on the mortar of the Tomb of Caecilia Metella, which is referenced repeatedly and the samples from which form a significant part of the hypothesis. That study: https://ceramics.onlinelibrary.wiley.com/doi/10.1111/jace.18133 https://ceramics.onlinelibrary.wiley.com/doi/10.1111/jace.18... Story on that study: https://als.lbl.gov/unexpected-transformations-reinforce-roman-architectural-concrete/ https://als.lbl.gov/unexpected-transformations-reinforce-rom... Jackson is quoted, if briefly, by Science's article on the new paper. https://www.science.org/content/article/scientists-may-have-found-magic-ingredient-behind-ancient-romes-self-healing-concrete https://www.science.org/content/article/scientists-may-have-... Jackson's work is focused on pyroclastic volcanism. Seymour's work has focused on Roman water infrastructure. Jackson works for the University of Utah, Seymour works for MIT. The linked source is MIT's PR department.