Within visualisation, I focus on chronographics, the use of visual space to represent historical time. This includes the history of such forms, primarily in the eighteenth century, and new digital practice working with my doctoral students.

My publications aim to capture remarkable historical developments in visualisation including the reasons behind them in terms of the authors' motivations, the surrounding visual culture, contemporary beliefs and philosophical positions - and practical questions such as the price of paper!

In developing new practice, key issues are effective communication, useful and usable interactivity, and honesty about the messiness and unreliability of data. I prioritise questions of trust and value.