9 7 6 , ▁the ▁peak ▁was ▁first ▁clim bed ▁by ▁two ▁Brit ons , ▁Doug ▁Scott ▁and ▁Chris ▁Bon ington , ▁in ▁ 1 9 7 7 . ▁( The ▁other ▁members ▁of ▁the ▁party ▁were ▁Mo ▁Anth o ine , ▁C live ▁Row land , ▁Nick ▁Est court , ▁and ▁T ut ▁Bra ith wa ite . ▁Est court , ▁Anth o ine , ▁and ▁Row land ▁all ▁reached ▁the ▁lower ▁West ▁Sum mit , ▁while ▁Bra ith wa ite ▁was ▁injured ▁early ▁on ▁by ▁rock fall .) ▁They ▁clim bed ▁via ▁the ▁South west ▁Sp ur ▁to ▁the ▁West ▁R idge , ▁and ▁over ▁the ▁West ▁Sum mit ▁to ▁the ▁Main ▁Sum mit . ▁The ▁as cent ▁of ▁the ▁sum mit ▁block ▁required ▁difficult ▁rock ▁clim bing ▁that ▁extended ▁the ▁boundaries ▁of ▁what ▁had ▁been ▁done ▁at ▁over ▁. ▁ ▁The ▁descent ▁proved ▁more ▁dangerous ▁still : ▁On ▁the ▁first ▁rapp el ▁from ▁the ▁sum mit , ▁Scott ▁broke ▁both ▁legs . ▁Later , ▁Bon ington ▁broke ▁two ▁rib s ▁and ▁contract ed ▁p neum onia . ▁Also , ▁much ▁of ▁the ▁week - long ▁descent ▁to ▁base ▁camp ▁was ▁in ▁a ▁major ▁storm . ▁However , ▁they ▁were ▁all ▁able ▁to ▁reach ▁base ▁camp , ▁where ▁they ▁had ▁a ▁long ▁wait ▁for ▁assistance . ▁ ▁The ▁second ▁as cent ▁of ▁B ain tha ▁B rak k ▁was ▁made ▁by ▁Urs ▁St ö cker , ▁I wan ▁Wolf , ▁and ▁Thomas ▁H uber , ▁on ▁ 2 1 ▁July ▁