▁was ▁limited . ▁She ▁instead ▁contributed ▁to ▁her ▁husband ' s ▁work ▁without ▁recognition , ▁transl ating ▁some ▁of ▁his ▁papers ▁into ▁English . ▁On ▁ 1 ▁June ▁ 1 9 0 2 ▁she ▁gave ▁birth ▁to ▁Hermann ▁Hab er ▁( 1 9 0 2 – 1 9 4 6 ) ▁the ▁only ▁child ▁of ▁that ▁marriage . ▁ ▁Conf iding ▁in ▁a ▁friend , ▁Im mer w ahr ▁expressed ▁her ▁deep ▁diss atisf action ▁with ▁this ▁sub serv ient ▁role : ▁ ▁During ▁World ▁War ▁I , ▁Fritz ▁Hab er ▁became ▁a ▁sta unch ▁supp orter ▁of ▁the ▁German ▁military ▁effort ▁and ▁played ▁an ▁important ▁role ▁in ▁the ▁development ▁of ▁chemical ▁weapons ▁( part icular ly ▁poison ▁g ases ). ▁His ▁efforts ▁would ▁cul min ate ▁in ▁his ▁super vision ▁of ▁the ▁first ▁successful ▁deployment ▁of ▁a ▁weapon ▁of ▁mass ▁destruction ▁in ▁military ▁history , ▁in ▁Fland ers , ▁Belg ium ▁on ▁ 2 2 ▁April ▁ 1 9 1 5 . ▁Im mer w ahr ▁spoke ▁out ▁against ▁her ▁husband ' s ▁research ▁as ▁a ▁“ per version ▁of ▁the ▁ide als ▁of ▁science ” ▁and ▁“ a ▁sign ▁of ▁bar bar ity , ▁cor rupt ing ▁the ▁very ▁discipline ▁which ▁ought ▁to ▁bring ▁new ▁ins ights ▁into ▁life .” ▁ ▁Death ▁ ▁Short ly ▁after ▁Hab er ' s ▁return ▁from ▁Belg ium , ▁Im mer w ahr ▁shot ▁herself ▁in ▁the ▁ch est ▁using ▁Hab er ' s ▁military ▁p istol . ▁On ▁ 2 ▁May ▁ 1 9