▁a ▁Eugen ie ▁Sa xt on ▁Memorial ▁Fellow ship ▁and ▁a ▁B read lo af ▁Writ ers ' ▁Fellow ship . ▁The ▁book ▁was ▁a ▁popular ▁success . ▁ ▁Anne ▁and ▁William ▁H . ▁V ander b ilt , ▁fans ▁of ▁Lady ▁with ▁a ▁Spe ar ▁who ▁owned ▁an ▁estate ▁in ▁south western ▁Florida , ▁invited ▁the ▁bi ologist ▁to ▁speak ▁at ▁a ▁public ▁school ▁in ▁Eng le wood , ▁Florida , ▁in ▁ 1 9 5 4 . ▁After ▁Clark ▁delivered ▁a ▁presentation ▁on ▁Red ▁Sea ▁fish , ▁the ▁at ten de es ▁revealed ▁that ▁they ▁had ▁encountered ▁many ▁similar ▁animals ▁in ▁local ▁waters ▁and ▁were ▁interested ▁in ▁learning ▁more ▁about ▁them . ▁Sub sequently , ▁the ▁V ander bil ts ▁built ▁a ▁lab ▁for ▁Clark ▁in ▁the ▁area . ▁It ▁was ▁named ▁the ▁Cape ▁Haz e ▁Marine ▁Labor atory ▁in ▁ 1 9 5 5 . ▁ ▁Work ▁at ▁Cape ▁Haz e ▁ ▁At ▁the ▁Cape ▁Haz e ▁Marine ▁Labor atory , ▁Clark ▁worked ▁with ▁a ▁local ▁fish erman ▁named ▁B ery l ▁Ch ad wick , ▁who ▁was ▁experienced ▁in ▁catch ing ▁sh arks . ▁Ch ad wick ▁was ▁Clark ' s ▁only ▁assistant ▁at ▁the ▁time ▁of ▁the ▁lab ' s ▁found ing . ▁The ▁lab ' s ▁first ▁request ▁for ▁sh ark ▁research ▁came ▁from ▁John ▁H . ▁H ellen , ▁director ▁of ▁the ▁New ▁England ▁Institute ▁for ▁Medical ▁Research . ▁As ▁the ▁labor atory ' s ▁activities ▁began ▁to ▁be ▁published ▁in ▁scientific ▁journ als , ▁requests