▁Associ ate ▁in ▁ 1 9 6 6 , ▁and ▁then ▁a ▁Senior ▁Research ▁Associ ate ▁( 1 9 6 9 – 1 9 8 0 ), ▁Ald o ▁became ▁a ▁Professor ▁( Res earch ) ▁in ▁Elect rical ▁Engineering ▁in ▁ 1 9 8 0 . ▁During ▁this ▁time , ▁his ▁interests ▁gradually ▁turned ▁more ▁to ▁the ▁fund ament als ▁of ▁energy ▁processes ▁and ▁renew able ▁energy . ▁His ▁classes ▁on ▁renew able ▁energy ▁were ▁greatly ▁appreciated ▁by ▁the ▁students ▁and ▁he ▁continued ▁teaching ▁these ▁energy ▁classes ▁until ▁ 2 0 1 1 , ▁well ▁after ▁his ▁ret irement ▁and ▁conversion ▁to ▁Professor ▁( E mer it us ) ▁in ▁ 1 9 8 3 . ▁ ▁An ▁active ▁Masters ▁Sw immer , ▁da ▁Rosa ▁broke ▁ 9 9 ▁National ▁Records ▁and ▁ 3 7 ▁World ▁Records . ▁He ▁currently ▁still ▁holds ▁the ▁world ▁records ▁in ▁the ▁ 8 5 - 8 9 ▁age ▁group ▁in ▁the ▁ 2 0 0 ▁meter ▁IM ▁and ▁ 2 0 0 ▁meter ▁breast ▁stroke . ▁He ▁was ▁induct ed ▁into ▁the ▁International ▁Masters ▁Sw imming ▁Hall ▁of ▁Fame ▁in ▁ 2 0 0 4 . ▁ ▁In ▁March ▁ 2 0 1 0 , ▁da ▁Rosa ▁was ▁awarded ▁the ▁Gr ã - C ru z ▁da ▁Or dem ▁Nacional ▁do ▁Mé rito ▁C ientí fico , ▁an ▁honor ▁best owed ▁by ▁the ▁President ▁of ▁Brazil ▁upon ▁Brazil ian ▁and ▁foreign ▁personal ities ▁recognized ▁for ▁their ▁scientific ▁and ▁technical ▁contributions ▁to ▁the ▁cause ▁and ▁development ▁of