▁joined ▁with ▁two ▁Rost rum ▁members ▁to ▁form ▁a ▁club ▁in ▁what ▁was ▁becoming ▁a ▁second ▁business ▁centre ▁for ▁the ▁greater ▁Sydney ▁area . ▁ ▁Cro ok ▁proposed ▁to ▁the ▁Australian ▁Rost rum ▁Council ▁that ▁a ▁st yl ised ▁" R " ▁on ▁a ▁map ▁of ▁Australia ▁be ▁used ▁as ▁the ▁Rost rum ▁logo . ▁ ▁He ▁was ▁asked ▁to ▁produce ▁samples ▁and ▁circul ate ▁to ▁council ▁members ▁for ▁consideration . ▁Ult imately ▁a ▁simple ▁st yl ised ▁R ▁was ▁adopted . ▁ ▁After ▁the ▁death ▁of ▁his ▁wife , ▁Mur iel , ▁and ▁his ▁minor ▁stroke ▁in ▁ 1 9 6 3 , ▁Cro ok ▁continued ▁to ▁be ▁active ▁in ▁Rost rum ▁at ▁the ▁club ▁level , ▁at ▁NS W ▁D ais ▁and ▁at ▁the ▁Australian ▁Rost rum ▁Council . ▁ ▁Mur iels ▁passing ▁was ▁a ▁significant ▁loss ▁personally ▁and ▁administr atively . ▁While ▁she ▁could ▁not ▁join ▁Rost rum ▁at ▁that ▁time , ▁she ▁made ▁a ▁significant ▁contribution ▁to ▁Rost rum ▁by ▁typing ▁letters ▁and ▁documents ▁for ▁Cro ok ▁and ▁his ▁roles ▁in ▁Rost rum . ▁ ▁He ▁substantial ly ▁recovered , ▁under to ok ▁a ▁tour ▁around ▁Australia , ▁sp ending ▁time ▁on ▁his ▁h ob by ▁of ▁phot ography . ▁ ▁On ▁his ▁return ▁he ▁prepared ▁an ▁illustrated ▁speech ▁titled ▁See ▁Australia ▁First ▁giving ▁the ▁perspective ▁of ▁a ▁season ed ▁world ▁travel er . ▁He ▁tou red ▁Rost rum ▁clubs ▁in ▁a ▁number ▁of ▁states ▁with ▁this ▁speech . ▁ ▁The ▁Australian ▁Rost rum ▁Council ▁created ▁an ▁annual ▁and