The novel 'For Whom The Bell Tolls' is written by-

• Ernest Hemingway is an American novelist.
• He awarded nobel prize in 1954 for literature.
• His famous novels:
- A Farewell to Arms,
- The Old Man and The Sea,
- For Whom The Bell Tolls,
- The Sun Also Rises,
- Death in the Afternoon,
- To Have and Have not.
Source: An ABC of English Literature and Britannica.