Alan Slater was Associate Professor at Exeter University. He is the author of over 130 scientific articles, the majority of which are on infant development. He has collaborated with many internationally renowned infancy researchers and is a Fellow of the Association for Psychological Science for 'sustained and distinguished contributions to psychological science'.

Gavin Bremner took his first degree in Psychology at St. Andrews University in 1974, and gained a D.Phil. in Developmental Psychology from the University of Oxford in 1978. In 1977 he obtained a Lectureship in Psychology at Lancaster University, where he spent his working career, becoming Professor of Developmental Psychology in 1994, and Professor Emeritus in 2021. His publications are mainly in the area of perceptual development in infancy. In 1988, he published his book "Infancy", which appeared in a second edition in 1994. He has co-edited numerous books on infant development.