Dr Henk J.M. Bos (1940) is emeritus professor of
History of Mathematics at the Department of Mathematics at Utrecht
University. He retired in 2005. He has
published about Huygens' mathematical and scientific work, about the
fundamental concepts of the Leibnizian infinitesimal calculus and and
about Descartes' geometry. He published a monograph Redefining
Geometrical Exactness : Descartes' Transformation of the Early Modern
Concept of Construction with Springer (New
York) in 2001. At present he is honorary professor in History of
Mathematics (since 2008) at the Department of Science Studies in
Aarhus (Denmark). He is married (1998) to Professor Kirsti Andersen Dr.
Sc., and lives in Aarhus, Denmark.