Martyn Cundy (23 December 1913 – 25 February 2005) was a mathematics teacher and professor in Britain and Malawi as well as a singer, musician and poet. He helped set up the School mathematics project to reform O level and A level teaching. Through this he had a big effect on maths teaching in Britain and especially in Africa.
Cundy studied mathematics at Trinity College, Cambridge, where he earned a PhD in quantum theory in 1932. He was Deputy Director of the School Mathematics Project between 1967 and 1968. In 1968 he became Professor of Mathematics at the University of Malawi, and held the post until 1975.
He married in 1939 and had three children.