Sklar, Becky Halter, Barry Leon, Sue Young, Valerie Volpe and Harry Haugeto, and back row from left. Dissertation: Feasibility Evaluation of a Vibration-Based Leak Detection. Dr Gemma Ryde is a Lecturer in Physical Activity and Health in Sport at the time of depiction. As the name suggests, it's an experiment involving two entrepreneurs and a cat. So instead I twist away, pause briefly, then head for the door.