Bob Hahn started diving in 2003. He has logged over 175 dives in this short time in such places as Aruba, Bonaire, St Maarten, the Florida Keys, North Carolina, and his home area, Dutch Springs, in Pennsylvania. He is currently working on his Divemaster certification. Bob started his professional photography business in 1972 first working as a photojournalist and later specializing in corporate and industrial photography. He then combined his love of photography with computers to start a consulting business in 1990. He teaches a digital photography course for underwater photographs at The Scuba Tank in Bethlehem, PA, Flordia, and the Caribbean. He uses Canon 20D cameras and several lenses in a Ikelite housing with Ikelite strobes.