About the author: Elena Nardi was born in 1968. She studied mathematics (BSc) in Thessaloniki, Greece and mathematics education at Cambridge (MPhil) and Oxford (DPhil) in the UK. Her research is in various areas of mathematics education, with a particular emphasis on the psychology of mathematical learning and the teaching and learning of mathematics at the undergraduate level. She is Senior Lecturer in Mathematics Education at the University of East Anglia in Norwich, UK. She is involved with graduate supervision and with teaching mathematics education and research methods, she co-ordinates U...