ous ie , ▁Canada ; ▁the ▁Institute ▁of ▁H ydro bi ology , ▁Wu han , ▁China ; ▁the ▁Ocean ographic ▁Institute , ▁C um ana , ▁Venezuela ; ▁the ▁Institute ▁of ▁Cell ▁Bi ology , ▁Moscow ; ▁and ▁the ▁Bi ote chn ology ▁Institute , ▁God ol lo , ▁Hung ary . ▁ ▁Norman ' s ▁entry ▁in ▁" Who ' s ▁Who " ▁lists ▁his ▁h obb ies ▁and ▁interests ▁as : ▁Tennis , ▁Fly ▁Fish ing , ▁Garden ing ▁and ▁Reading ▁ ▁Scient ific ▁career ▁Mac lean ' s ▁career ▁began ▁with ▁research ▁attempts ▁to ▁understand ▁the ▁development al ▁switching ▁of ▁glo bin ▁gen es . ▁In ▁the ▁vast ▁majority ▁of ▁verte br ates ▁there ▁are ▁distinct ▁emb ry onic , ▁fo etal ▁and ▁adult ▁glob ins . ▁His ▁early ▁work ▁was ▁directed ▁at ▁trying ▁to ▁react iv ate ▁fo etal ▁glo bin ▁expression , ▁chief ly ▁working ▁with ▁the ▁am ph ib ian ▁X en opus ▁and ▁ch ick ens . ▁He ▁was , ▁however , ▁un success ful ▁in ▁this ▁project ; ▁and ▁indeed ▁the ▁problem ▁remains ▁largely ▁un sol ved ▁until ▁the ▁present . ▁ ▁Mov ing ▁on ▁and ▁with ▁the ▁advent ▁of ▁mole cular ▁gen et ics ▁and ▁the ▁avail ability ▁of ▁cl oned ▁gene ▁sequences , ▁Mac lean ▁worked ▁– ▁for ▁a ▁time ▁– ▁with ▁Professor ▁Steve ▁W rat ten ▁on ▁the ▁use ▁of ▁DNA ▁finger print ing ▁in ▁understanding ▁a ph id ▁in fe ctions ▁of ▁c ere al ▁cro ps . ▁For ▁a