ia , ▁it ▁would ▁offer ▁perhaps ▁the ▁greatest ▁hopes ▁for ▁th era pe ut ics ". ▁ ▁In ▁ 1 8 7 4 , ▁phys ician ▁Sir ▁William ▁Roberts ▁noted ▁that ▁cult ures ▁of ▁the ▁m old ▁Pen ic ill ium ▁gla uc um ▁that ▁is ▁used ▁in ▁the ▁making ▁of ▁some ▁types ▁of ▁blue ▁che ese ▁did ▁not ▁display ▁b acter ial ▁cont am ination . ▁In ▁ 1 8 7 6 , ▁phys ic ist ▁John ▁Ty nd all ▁also ▁contributed ▁to ▁this ▁field . ▁P aste ur ▁conducted ▁research ▁showing ▁that ▁Bac ill us ▁anth rac is ▁would ▁not ▁grow ▁in ▁the ▁presence ▁of ▁the ▁related ▁m old ▁Pen ic ill ium ▁not atum . ▁ ▁In ▁ 1 8 9 5 ▁V inc en zo ▁T iber io , ▁Italian ▁phys ician , ▁published ▁a ▁paper ▁on ▁the ▁ant ib acter ial ▁power ▁of ▁some ▁extract s ▁of ▁m old . ▁ ▁In ▁ 1 8 9 7 , ▁doctor al ▁student ▁Ernest ▁Duch es ne ▁submitted ▁a ▁dis sert ation , ▁"" ▁( Cont ribution ▁to ▁the ▁study ▁of ▁vital ▁competition ▁in ▁micro - organ isms : ▁ant agon ism ▁between ▁m olds ▁and ▁micro bes ), ▁the ▁first ▁known ▁scholar ly ▁work ▁to ▁consider ▁the ▁th era pe ut ic ▁capabilities ▁of ▁m olds ▁resulting ▁from ▁their ▁anti - m icro b ial ▁activity . ▁In ▁his ▁th esis , ▁Duch es ne ▁proposed ▁that ▁b acter ia ▁and ▁m olds ▁eng age ▁in ▁a ▁perpet ual