"John Douglas" . . "Sir John Cockroft" . "Sir John Douglas Cockcroft" . "Cockcroft, John (Sir)" . . "Džons Kokrofts" . "জন কক্‌ক্রফট" . "Cockroft"@pt-PT . . "존 콕크로프트" . "Cockcroft, John. Sir" . . "Douglas" . "British physicist" . "جان داگلاس کاکرافت" . . . "Cockroft" . "John Cockcroft"@en-US . "约翰·考克饶夫" . . "Cockroft, John Douglas, Sir" . . "Джон Дуглас Кокрафт" . "1897-05-27" . . "Cockcroft"@fr-FR . "John Douglas Cockcroft"@nl-NL . . . "Ջոն Կոկրոֆտ" . . "Sir" . . . "John Douglas Cockroft" . "Cockcroft" . "Sir, K.C.B John Douglas Cockcroft" . "Sir John Douglas Cockroft" . "ジョン・コッククロフト" . "Джон Дуглас Кокрофт" . "Cockcroft, John, (John Douglas)" . "John Douglas Cockcroft" . . "Джон Кокрофт" . "Cockcroft"@en . "جان کوککرافٹ" . "जॉन कॉक्रॉफ़्ट" . "Sir John Cockcroft"@en . "Cockcroft, John Douglas, Sir" . . "Cockcroft, John Douglas, Sir, K.C.B" . "John"@en . . "(Sir) John Cockcroft" . "Τζον Ντάγκλας Κόκροφτ" . "Kokroft" . "Cockcroft, John, Sir" . "Џон Кокрофт" . "Cockcroft, John Sir" . "John Cockroft" . . "Cockroft, John, Sir" . "Džon Kokroft" . . "John Cockcroft" . "جون كوكروفت" . "Džon" . "Cockcroft, John (John Douglas)" . "1967-09-18" . "जॉन डग्लस कॉकक्रॉफ्ट" . "Ioannes Cockcroft" . . .