Topic summary
Jill Heinerth
Jill Heinerth (born 1965) is a Canadian cave diver, underwater explorer, writer, photographer and film-maker. She has made TV series for PBS, National Geographic Channel and the BBC, consulted on movies for directors including James Cameron, and written several books and produced documentaries, including We Are Water and Ben's Vortex, about the disappearance of Ben McDaniel.