1 9 1 8 ) ▁was ▁an ▁Australian ▁representative ▁rugby ▁union ▁forward ▁and ▁decor ated ▁World ▁War ▁I ▁military ▁officer . ▁He ▁fought ▁at ▁Gal lip oli ▁and ▁in ▁France ▁and ▁died ▁on ▁the ▁Western ▁Front . ▁ ▁He ▁was ▁the ▁second ▁oldest ▁of ▁a ▁number ▁of ▁brothers ▁who ▁served ▁during ▁World ▁War ▁I . ▁ ▁Rugby ▁career ▁Wal lach ' s ▁club ▁rugby ▁career ▁was ▁with ▁the ▁Eastern ▁Sub ur bs ▁R U FC ▁in ▁Sydney ▁where ▁he ▁played ▁as ▁a ▁lock . ▁He ▁made ▁eight ▁state ▁representative ▁appearances ▁for ▁New ▁South ▁Wales ▁and ▁appeared ▁on ▁five ▁occasions ▁between ▁ 1 9 1 3 ▁and ▁ 1 9 1 4 ▁for ▁Australia . ▁ ▁Military ▁career ▁Wal lach ▁was ▁commission ed ▁as ▁a ▁Lieutenant ▁in ▁the ▁ 1 9 th ▁Battalion , ▁ 5 th ▁Brigade , ▁of ▁the ▁ 2 nd ▁Division ▁raised ▁in ▁March ▁ 1 9 1 5 , ▁dis emb ark ing ▁in ▁June ▁ 1 9 1 5 . ▁After ▁training ▁in ▁Egypt , ▁the ▁batt alion ▁land ed ▁at ▁An z ac ▁C ove ▁on ▁ 2 1 ▁August ▁ 1 9 1 5 , ▁and ▁following ▁that ▁took ▁part ▁in ▁the ▁attack ▁on ▁Battle ▁of ▁Hill ▁ 6 0 . ▁ ▁Wal lach ▁wrote ▁a ▁letter ▁home ▁from ▁Gal lip oli ▁which ▁was ▁published ▁in ▁the ▁sport ing ▁paper ▁The ▁Ref eree . ▁He ▁described ▁hearing ▁of ▁the ▁death s ▁of ▁his ▁Eastern ▁Sub ur bs ▁club m ates ▁Harold ▁George ▁and ▁Fred ▁Thompson ▁from