Geologist and gemmologist Cally Oldershaw was the first Lady Chair of the Gemmological Association of Great Britain, and Curator of Gemstones for the Natural History Museum, London. She is the author of more than twenty books on gemstones and other Earth science topics including volcanoes, earthquakes, oceans and seas.
Mike O’Mahony is Professor of History of Art and Visual Culture at the University of Bristol. He is the author of Sport in the USSR (2006), Sergei Eisenstein (2008) and Olympic Visions (2012), all published by Reaktion Books.
Alistair O’Neill is Senior Research Fellow in Fashion History and Theory at Central Saint Martins (University of the Arts London). As a curator his recent projects include SHOWstudio: fashion revolution (Somerset House, London, 2009) and Fashion Lives (The British Library, London, 2005).
Donald Ostrowski is a lecturer at the Harvard Extension School, and Associate of the Harvard Ukrainian Research Institute. His books include Russia in the Early Modern World: The Continuity of Change (2022).
Stephen James O’Meara is an award-winning astronomer and author/co-author of more than a dozen books, including the third edition of Oxford’s
A Dictionary of Space Exploration (2018). He is a columnist and editor for Astronomy magazine, and former associate editor of GeminiFocus and Sky & Telescope magazines. Asteroid 3637 is named O’Meara in his honour.
Megan E. O’Neil is Assistant Professor of Art History at Emory University and the author or co-author of numerous publications, including Maya Art and Architecture (2014).
Kaori O’ Connor was an anthropologist at University College London, author of The English Breakfast (2013) and winner of the Sophie Coe Prize for Food History (2009).
Kieron O’Hara is a Senior Research Fellow in Electronics and Computer Science, University of Southampton, and a Research Fellow for the Centre for Policy Studies. He is the author of several books, including After Blair: David Cameron and the Conservative Tradition (2007), The Enlightenment: A Beginner’s Guide (2010) and, with Nigel Shadbolt, The Spy in the Coffee Machine: The End of Privacy As We Know It (2008).
Gulrü Necipoglu is the Aga Khan Professor of Islamic Art and Architecture and Director of the Aga Khan Program for Islamic Architecture at Harvard University. She is the editor of Muqarnas: An Annual of Islamic Visual Culture and author of Architecture, Ceremonial and Power (1991) and The Topkapı Scroll: Geometry and Ornament in Islamic Architecture (1995).