Tin Lam TohDr. Toh Tin Lam is an Associate Professor and Head of the Mathematics & Mathematics Education Academic Group of the Singapore National Institute of Education, Nanyang Technological University. He was a high school teacher before he joined the Universty. He obtained his PhD in Mathematics at the National University of Singapore. During his work as teacher educator in the National Institute of Education, he picked up his interest in mathematics education and begin conducting mathematics education research in addition to his research in pure mathematics (Henstock integration theory). He publishes extensively in both mathematics and mathematics education in the international refereed academic journals. Read More Read Less