After James Cameron finished the script, he discovered that there had been a real "J. Dawson" (Joseph) who's as a Trimmer and died aboard the Titanic. The number 227 denotes his body number when found by the crew of the Mackay Bennet.
Millvina Dean: Millvina Dean staring through an original Titanic porthole) was only a few months old when she boarded the Titanic with her family. She was the youngest survivor of the wreck (photographed in (Photo Credit: SIMON KREITEM/Reuters/Corbis)
titanic at the bottom of the ocean. My husband built the camera in the ROV at upper left. This picture is a composite of thousands of photographs taken at close range. A photo from this vantage point on the ocean floor is impossible.