Aubrey Manning, OBE FRSE was Professor of Natural History at the University of Edinburgh. His main research and teaching interests were based around animal behaviour, development and evolution. He completed his DPhil under Niko Tinbergen and is now Emeritus Professor. He received the Zoological Society of London Silver Medal in 2003 for public understanding of science.
Marian Stamp Dawkins is Professor of Animal Behaviour at the University of Oxford where she heads the Animal Behaviour Research Group. Her research interests lie around animal perceptual worlds, with particular emphasis on animal suffering. She has authored, co-authored and edited eight books dealing with subjects ranging from basic behaviour to animal suffering and consciousness.