05.05.1970 (54 gadi)
Jillian Beryl Adler née Smidt (born 31 January 1951 in Johannesburg) is a South African Professor of Mathematics education at the University of the Witwatersrand and the President of the International Commission on Mathematical Instruction (2017–2020). Adler's work has focused on the teaching and learning of mathematics particularly in multilingual classrooms.