t ▁allow ▁him ▁to ▁take ▁medicine . ▁Lee , ▁however , ▁over c ame ▁these ▁odd s . ▁He ▁had ▁what ▁he ▁describes ▁as ▁a ▁wonderful ▁teacher ▁in ▁the ▁ 6 th ▁grade ▁who ▁encourag ed ▁his ▁intellectual ▁ab ilities . ▁Event ually ▁he ▁made ▁his ▁way ▁to ▁university , ▁where ▁he ▁became ▁interested ▁in ▁fluid ▁dynamics ▁and ▁studied ▁mechanical ▁engineering ▁at ▁the ▁university . ▁ ▁Gr adu ate ▁education ▁and ▁career ▁ ▁Lee ▁came ▁to ▁the ▁United ▁States ▁in ▁ 1 9 6 5 ▁to ▁continue ▁his ▁studies ▁in ▁mechanical ▁engineering ▁at ▁Texas ▁A & M ▁University . ▁He ▁received ▁his ▁doctor ate ▁in ▁mechanical ▁engineering ▁with ▁the ▁special ization ▁in ▁fluid ▁mechan ics ▁ ▁in ▁ 1 9 6 9 ▁and ▁became ▁a ▁U . S . ▁citiz en ▁in ▁ 1 9 7 4 . ▁He ▁was ▁employed ▁at ▁industrial ▁and ▁government ▁research ▁fir ms ▁before ▁he ▁moved ▁to ▁New ▁Mexico ▁in ▁ 1 9 7 8 . ▁He ▁worked ▁as ▁a ▁scient ist ▁in ▁weapons ▁design ▁at ▁ ▁Los ▁Al amos ▁National ▁Labor atory ▁in ▁applied ▁mathematics ▁and ▁fluid ▁dynamics ▁from ▁that ▁year ▁until ▁ 1 9 9 9 . ▁He ▁created ▁simulation ▁software ▁for ▁nuclear ▁explos ions , ▁which ▁were ▁used ▁to ▁gain ▁scientific ▁understanding ▁and ▁help ▁maintain ▁the ▁safety ▁and ▁reli ability ▁of ▁the ▁US ▁nuclear ▁weapons ▁ar sen al . ▁ ▁Government ▁investigation ▁▁ ▁Lee ▁was ▁public ly ▁named ▁by ▁United ▁States ▁Department ▁of ▁Energy ▁officials , ▁including ▁Secretary ▁of ▁Energy ▁Bill ▁Richard son , ▁as