▁g ases . ▁He ▁has ▁important ▁contributions ▁in ▁neut ron ▁physics ▁and ▁in ▁the ▁study ▁of ▁nuclear ▁re actions . ▁ ▁I ▁ ▁The odor ▁V . ▁I ones cu : ▁the ▁invent or ▁of ▁a ▁multiple - c av ity ▁magnet ron ▁in ▁ 1 9 3 5 , ▁a ▁hydro gen ▁mas er ▁in ▁ 1 9 4 7 , ▁ 3 D ▁imag ing ▁for ▁cinema / tele vision ▁in ▁ 1 9 2 4 ▁and ▁hot ▁de uter ium ▁pl asma ▁studies ▁for ▁controlled ▁nuclear ▁fusion ▁in ▁ 1 9 6 9 , ▁member ▁of ▁the ▁Roman ian ▁Academy ▁since ▁ 1 9 5 5 . ▁ ▁L ▁Tra ian ▁L ales cu : ▁discovered ▁the ▁L ales cu ▁sequence . ▁Constantin ▁Lev ad iti : ▁alongside ▁Karl ▁Land ste iner , ▁he ▁discovered ▁in ▁ 1 9 0 9 ▁the ▁presence ▁of ▁the ▁pol io ▁virus ▁in ▁t issues ▁other ▁than ▁nerv ous . ▁ ▁M ▁Pred a ▁Mih ă iles cu : ▁known ▁for ▁his ▁proof ▁of ▁Catal an ' s ▁conject ure . ▁Me in hard ▁E . ▁May er : ▁an ▁early ▁contrib utor ▁to ▁the ▁theory ▁of ▁vector - bos ons ▁( W ▁and ▁Z ▁bos ons ) ▁and ▁electro - weak ▁un ification , ▁which ▁later ▁became ▁the ▁Standard ▁model , ▁and ▁an ▁early ▁advoc ate ▁of ▁the ▁use ▁of ▁fi ber ▁bund les ▁in ▁gauge ▁theory . ▁M ina ▁Min ov ici : ▁famous ▁for ▁his ▁extensive ▁research ▁regarding ▁cada ver ous