Jacques Piccard
Jacques Piccard ( 28 July 19221 November 2008 ) was a Swiss oceanographer and engineer , known for having developed underwater submarines for studying ocean currents . 
<triplet> Jacques Piccard <subj> 28 July 1922 <obj> date of birth <subj> 1 November 2008 <obj> date of death <subj> oceanographer <obj> field of work