Richie Kohler is an experienced technical wreck diver and shipwreck historian who has been diving and exploring shipwrecks since 1980. Kohler was one of the co-hosts of the television series 'Deep Sea Detectives' on the History Channel and is also a consultant for the film and television industry on shipwreck and diving projects. Wikipedia*
On the C-SPAN Networks:
Richie Kohler has one video in the C-SPAN Video Library; the first appearance was a 2008 Forum.