Ajeyalemi, who retired from the university in November 2020, was also the pioneer registrar of the Joint Universities Preliminary Examination Board.
UNILAG’s Deputy Vice-chancellor in charge of development services, Folasade Ogunsola, confirmed Ajeyalemi’s death.
Born November 7, 1950, Ajeyalemi had his primary education at the St Peter’s School, Ibokun (1956-61); secondary at LA Secondary Modern School, Ibokun (1962) and Kiriji Memorial College, Igbajo (1963-67) before proceeding for his tertiary education at the Adeyemi College of Education, Ondo (1970-72) and UNILAG (1973-76).
He had his postgraduate education at the University of East Anglia, Norwich, UK (1978-81).
He rose through the ranks becoming Lecturer II, Department of Curriculum Studies (1981-83); Lecturer I (1983-84); Senior Lecturer (1984); AG Head, Department of Curriculum Studies (1992-94); and became Sub-Dean, Faculty of Education (1991-92).
In 1989, he became an Associate Professor until 1992 when he was appointed Professor of Curriculum Studies. He served as Dean of Students Affairs in 1995; and Dean, Faculty of Education in 2006.
Ajayelemi was a member, Royal Society of Chemistry (1984); and member, National Association for Research in Science Teaching, USA (1990).