▁fl . ▁ 1 6 0 2 - 1 6 3 0 s ▁ ▁Mu ir is ▁mac ▁Sea án ▁U ll t ach ▁Ó ▁Du inn sh lé ib he , ▁Irish ▁cler ic , ▁fl . ▁ 1 6 0 2 - 1 6 3 0 s . ▁ ▁References ▁ ▁External ▁links ▁ ▁http :// c elt . u cc . ie / publish d . html ▁ ▁Category : 1 6 th - century ▁Irish ▁medical ▁do ctors ▁Category : Pe ople ▁from ▁County ▁Don eg al ▁Category : 1 5 2 7 ▁death s ▁Category : Year ▁of ▁birth ▁unknown ▁Category : Lat in ists <0x0A> </s> ▁Serge i ▁Gustav ov ich ▁Leg at ▁( ; ▁ 2 7 ▁September ▁ 1 8 7 5 ▁– ▁ 1 ▁November ▁ 1 9 0 5 ) ▁was ▁a ▁Russian ▁bal let ▁dan cer . ▁ ▁Background ▁ ▁Serge i ▁Gustav ov ich ▁Leg at ▁was ▁born ▁on ▁ 2 7 ▁September ▁ 1 8 7 5 , ▁in ▁Moscow . ▁The ▁younger ▁brother ▁of ▁Nikol ai ▁Leg at , ▁he ▁studied ▁at ▁the ▁imperial ▁bal let ▁school ▁with ▁P avel ▁G erd t , ▁Christian ▁Joh ans son , ▁Lev ▁Ivan ov ▁and ▁his ▁brother . ▁Leg at ▁joined ▁the ▁Mari in sky ▁Theatre ▁in ▁ 1 8 9 4 ▁and ▁quickly ▁became ▁a ▁solo ist . ▁Ad m ired ▁for ▁his ▁sty list ic ▁performances ▁he ▁also ▁taught , ▁with ▁pup ils ▁including ▁Vas lav ▁N ij in