▁required . ▁ ▁When ▁Wood ▁died ▁in ▁ 1 9 4 9 , ▁aged ▁ 4 6 , ▁the ▁board ▁decided ▁to ▁run ▁the ▁business ▁by ▁committee , ▁with ▁Wood ' s ▁son ▁Frederick ▁Wood ▁appointed ▁sales ▁director . ▁In ▁ 1 9 5 0 ▁Fred ▁re located ▁to ▁New ▁York ▁to ▁set ▁up ▁the ▁company ' s ▁U . S . ▁subs idi ary , ▁Cro da ▁Inc . ▁In ▁ 1 9 5 3 ▁Fred ▁returned ▁to ▁the ▁UK ▁and ▁was ▁appointed ▁Cro da ' s ▁man aging ▁director , ▁aged ▁just ▁ 2 7 . ▁ ▁Under ▁Fred ▁Wood ' s ▁management ▁Cro da ▁experienced ▁a ▁sust ained ▁period ▁of ▁rapid ▁growth . ▁Le ading ▁cos met ics ▁companies ▁started ▁using ▁its ▁products ▁in ▁the ▁ 1 9 5 0 s ▁and ▁at ▁that ▁time ▁it ▁also ▁began ▁to ▁expand ▁intern ation ally : ▁it ▁moved ▁to ▁its ▁present ▁location ▁in ▁ 1 9 5 6 . ▁ ▁In ▁ 1 9 5 7 , ▁Cro da ▁Inc . ▁acquired ▁Hum mel ▁Chem ical ▁Company ▁and ▁began ▁manufact uring ▁in ▁a ▁new ▁New ark , ▁N J ▁plant . ▁ ▁It ▁was ▁first ▁listed ▁on ▁the ▁London ▁Stock ▁Exchange ▁in ▁ 1 9 6 4 . ▁It ▁expanded ▁rapidly ▁in ▁the ▁ 1 9 6 0 s ▁acqu iring ▁United ▁Premier ▁O il ▁in ▁ 1 9 6 7 ▁and ▁British ▁Gl ues ▁& ▁Chem ical s ▁in ▁ 1 9 6 8 . ▁ ▁In ▁ 1 9 7