People Australia John Ridley (inventor) peoplepill id: john-ridley-4JR 4 views today 13 views this weekAustralian inventorJohn Ridley (inventor)BiographyListsAlso ViewedListsJohn Ridley (inventor) is in following listsBy field of workNotable Australian businesspeopleGender:Male, Born in:Years 1800 to 1849By work and/or countryNotable Australian InventorsGender:Male, Born in:Years 1800 to 1849From our partnersSponsoredJohn Ridley (inventor)