The American author Ernest Hemingway spent many years abroad


#1
  1. The American author Ernest Hemingway spent many years abroad.
  2. The American author, Ernest Hemingway spent many years abroad.
  3. American author Ernest Hemingway spent many years abroad.

Which are the correct sentences?

Thanks.


#2
  1. American author Ernest Hemingway spent many years abroad. (Corrected)

  2. Ernest Hemingway, the American author, spent many years abroad. (Corrected)

  3. American author Ernest Hemingway spent many years abroad. (Correct)