Sonja Brentjes
is a renowned historian of science of Islamicate societies with a strong focus on the mathematics of medieval Islam. She has held prestigious positions at notable institutions, including the Institute for the History of Science at Goethe University Frankfurt, the University of Oklahoma, the Aga Khan University Institute for the Study of Muslim Civilisations, the Ludwig Maximilians University of Munich, the University of Seville, and her current position at the Max Planck Institute for the History of Science, where she has been since 2012.

Brentjes has published extensively on different topics in the history of mathematics. A recent monograph, Teaching and Learning the Sciences in Islamicate Societies (800 - 1700) (Brepols, 2018), is a ground-breaking survey of the main teaching texts and their contents as well as forms of classification of knowledge that was the basis of intellectual life in the Islamic Near East and has made an enormous contribution to our knowledge in this area. She has also shown strong leadership in her scholarly response to the international public outreach initiative “1001 Inventions”, and directed the scholarly community to provide critical feedback, which she collected, edited and published in 2016. From 2016–2020, she was the leader of a team of international scholars who are collecting and curating a database of images produced by Eurasian and North African premodern cultures of inquiry related to visualizing the heavens. In addition to broad thematic studies, she works on editing and translating primary sources and is currently working on a new translation of The Book on the Balance of Wisdom by ‘Abd al-Rahman al-Khazini, a 12th-century astronomer and mathematician.

Christine Proust
is professor emeritus and senior researcher at the SPHERE laboratory, CNRS, and Université de Paris. Proust’s work on calculation techniques, such as her work on a Mesopotamian abacus, elucidated basic mathematical practice and enables us to understand this mathematical culture as distinct from our own. Her work on mathematics at Old Babylonian Nippur changed how we view Babylonian mathematics, affording a better understanding of how numbers, metrology, and calculation were learned and exploited in this distant and unique mathematical culture. Her research on numbers and metrology, produced a more transparent methodology than seen previously, which in turn fosters greater access to Babylonian mathematics by both Assyriologists and by historians of mathematics. Her work on scholars and scholarship in the Mesopotamian city of Uruk, helps us understand how knowledge was produced, circulated, and preserved within an ancient society. Finally, her research into historiography helps us better understand the impact and shortcomings of past research into the history of mathematics.

Proust has developed numerous partnerships to promote research into the history of Babylonian mathematics. She has collaborated to produce new tools to research Babylonian mathematics, and worked closely with researchers from all over the world going beyond her own academic environments to support less experienced researchers and researchers from outside her own academic community. Since the 2000’s Proust has worked with the Cuneiform Digital Library Initiative to provide open-access images and editions of cuneiform texts and in the process has pioneered how numbers and metrological systems can be digitalized.

As a teacher, Proust has and will have a lasting impact on both Assyriology and the history of mathematics. She has taken students in ancient geometry, ancient algebra, historiography, education, and much more. She has for years now presided over a group interested in the history of mathematics from all across the globe – from Brazil to Germany, the US to the UK – that meets regularly in person and online to better understand Babylonian mathematics and exchange ideas on this subject

Eberhard Knobloch
Born in 1943, Eberhard Knobloch studied mathematics, classical philology, philosophy, and history of science and technology. In 1972 he completed his PhD in history of science and technology, and in 1976 he passed the habilitation in this subject. Since 1981 he has been Professor of History of Science and Technology at the Technical University of Berlin, since 2002 Academy Professor at the University and at the Berlin-Brandenburg Academy of Sciences and Humanities (the former Prussian Academy of Sciences). He has promoted the history of mathematics as head of its most important societies, including the ICHM, and as editor of its publication series and journals including Historia Mathematica. Knobloch was President of the International Academy of the History of Science from 2005 to 2007 and President of the European Society for the History of Science from 2006 to 2008. His written record is truly impressive, amounting to some 300 books or papers on history or philosophy of science and technology

Knobloch started his career as a historian of mathematics and science with his pioneering studies on the mathematical work of Gottfried Wilhelm Leibniz. The latter has remained a central point of reference for his scholarly research. He has carried out a series of studies of Leibniz’s theory of determinants and contributions to actuarial mathematics, as well as an impressive number of ground-breaking articles on several aspects of the mathematical work of Leibniz. Particularly notable is his critical edition with commentary of Leibniz’s “De quadratura arithmetica circuii ellipseos et hyperbolae cujus corollarium est trigonometria sine tabulis,” published in 1993 (Göttingen: Vandenhoeck & Ruprecht). Some of Knobloch’s insights into Leibniz’s analysis are presented at a more general level in his article “Galileo and Leibniz: Different Approaches to Infinity” (Archive for History of Exact Sciences, 54 (1999), pp. 87–99). Knobloch established series 7 and 8 of the Leibniz-Edition and served as its editor for many years. It is no exaggeration to say that he has gained an international reputation as a leading expert for the edition of works of scientists in the period from 1600 to the present. Besides the edition of Leibniz’s works he was involved in the edition of the works of the astronomer Johannes Kepler and in the edition of the letters of the German natural scientist Alexander von Humboldt. As a historian of mathematics Knobloch has not only published on a broad range of topics and figures in the seventeenth and eighteenth centuries, but also made important contributions to the history of probability theory, error theory, determinant theory and to measurement and integration theory in the nineteenth and twentieth centuries.

 Roshdi Rashed

Roshdi Rashed is an eminent historian of mathematics specializing in Islamic mathematics and its relation with Greek mathematics on the one hand, and influence on modern mathematics on the other hand. He has shed considerable light on the work of several important Islamic mathematicians, including Banū Mūsā, Ibn Qurra, Ibn Sīnā, al-Khāzin, al-Qūhī, Ibn al-Samh, Ibn Hud, and especially Ibn al-Haytham, who stands out as a towering figure of medieval Islamic mathematics. Rashed discovered, edited and translated a large number of manuscripts and through insightful analysis of their contents, has brought out their importance from the point of view of development of mathematics, their intricate relation with the Greek antecedents, and their influence and impact on the later European mathematics. The work has led to a sea change in our understanding of the significance of Islamic contributions, especially from what has now come to be viewed as the golden era of Islamic mathematics. It has also thrown new light on various aspects of Greek mathematics, especially of Apollonius and Diophantus, and their interrelation.

Born in 1936, Roshdi Rashed has spent the most part of his career affiliated with Paris Diderot University (Paris 7), as a researcher sponsored by the French CNRS. Among his several distinctions one may mention the CNRS Bronze Medal (1977), the distinction of Chevalier de la Légion d’Honneur (1989) awarded by the President of the French Republic, the Alexandre Koyré Medal (1990), the Prize and Medal from the Kuwait Foundation for the Advancement of Sciences (1999), and the King Faisal International Prize (2007). He has also received several honors from Arabic countries. He has about 40 books and more than 100 papers to his credit. He is a member of several academies, the chief editor of the journal Arabic Sciences and Philosophy: a Historical Journal (Cambridge University Press), and of the collections Histoire des Sciences Arabes (Beyrouth) and Sciences dans l’histoire (Blanchard, Paris). He is a member of scientific committees of the journals Revue de Synthèse (France), Bollettino di storia delle scienze matematiche (Italy), Istoriko-Matematicheskie Issledovaniya (Moscow), Islamic Studies (Pakistan) and Le Journal Scientifique Libanais (Beyrouth).

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The Kenneth O. May Prize and Medal was awarded to Professor R.C. Gupta at the closing Ceremony of the International Congress of Mathematics on August 27, 2011 in Hyderbad, India. The presentation was made by Kim Plofker (See video and press release)

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The image on the left shows Ubiratan d'Ambrosio receiving the Kenneth O. May Medal at the International Congress on History of Science and Technology in Mexico City, Mexico, in 2001.

The image on the right shows Joseph Dauben presenting the fourth Kenneth O. May Medal to Lam Lay Yong at the International Congress of Mathematics in Beijing, China, 2002

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The second Kenneth O. May Medal presented by Joseph Dauben to Christoph Scriba and Hans Wussing