Thomas P. Peschak divides his time between the University of Cape Town's (UCT) Marine Biology Research Institute and Currents of Contrast Productions (www.currentsofcontrast.com). He is the author and principal photographer of the critically acclaimed book Currents of Contrast: Life in Southern Africa's Two Oceans, a regular contributor to Africa Geographic and BBC Wildlife Magazine and the official photographer for the WWF-SA Aquatic Program. Michael C. Scholl is the founder of the White Shark Trust (www.whitesharktrust.org) and is also associated with UCT. In addition to having developed the identification method of "finprinting", he currently holds the world's largest Great White Shark population database. He has been published in acclaimed scientific journals and has been featured by National Geographic Television and GEO.