taylor is a pioneer in the 1950s, swimming with sharks just wasn't done. but a young female scientist, it was just unheard of. famed oceanographer jean-michelming away, valerie was swimming towards danger she and her husband with their underwater cameras brought the world the first close up under water views of great white sharks ever filmed >> they wanted dangerous marine animals or what they thought were dangerous they wanted drama. and if i could be in the film, fluttering around in my stollies britches, that was even better >> you are either crazy or incredibly courageous. >> i didn't take either of those things i'm incredibly curious >> at a time when sharks were thought to be mindless killers, taylor and her husband were taking a different approach, rescuing this great white tangled in wire. and gently soothing it as it returns to the sea a memory now tinged with sadness. >> wow >> i think she was only free for another six months and a fisherman caught her >> over thousands of dives, valerie has had countless close calls. she's even been bitten four times. but her attitude has never changed. >> if things went wrong, i get frustrated a