▁and ▁Their ▁Cont ribution s ▁to ▁China " ▁and ▁" What ▁I ▁know ▁about ▁Li ▁Ta - cha o ▁and ▁Ch ' en ▁Tu - h si u ▁and ▁the ▁Early ▁Development ▁of ▁Commun ism ." ▁ ▁Career ▁Li ▁Sh u - h ua ▁returned ▁to ▁China ▁in ▁ 1 9 2 2 ▁and ▁served ▁as ▁professor ▁of ▁physics ▁at ▁P ek ing ▁University ▁until ▁ 1 9 3 0 . ▁ ▁He ▁served ▁concurrent ly ▁as ▁the ▁acting ▁president ▁of ▁the ▁University ▁Franco - Ch inois ▁in ▁P ek ing ▁( 1 9 2 6 - 1 9 2 8 ) ▁and ▁then ▁as ▁acting ▁president ▁of ▁Pe ip ing ▁University ▁( 1 9 2 8 - 1 9 2 9 ). ▁ ▁In ▁ 1 9 2 9 , ▁he ▁became ▁vice ▁president ▁of ▁the ▁National ▁Academy ▁of ▁Pe ip ing , ▁a ▁post ▁he ▁held ▁until ▁the ▁take over ▁of ▁the ▁Commun ist ▁Party ▁forced ▁its ▁closing ▁in ▁ 1 9 4 9 . ▁ ▁Between ▁ 1 9 3 0 ▁and ▁ 1 9 3 1 ▁he ▁concurrent ly ▁served ▁the ▁Ministry ▁of ▁Education ▁first ▁as ▁vice - minister ▁and ▁then ▁as ▁minister . ▁ ▁He ▁became ▁a ▁member ▁of ▁the ▁Research ▁Council , ▁Academia ▁Sin ica ▁in ▁ 1 9 3 5 ▁and ▁was ▁its ▁director - general ▁in ▁ 1 9 4 3 . ▁He ▁was ▁twice ▁elected ▁Chair man ▁of ▁the ▁Board ▁of ▁Direct ors ▁of ▁the ▁Chinese ▁Society ▁of ▁Physics , ▁and ▁once ▁of ▁the