Survivors of the Titanic, from left, Reginald Burgess, 64, from Southampton, Edith L. Russell, from Cincinnati, Ohio, USA, and Edward Ryan, from Hull, Yorkshire, are shown in this undated photo at the Odeon Theatre, Leicester Square, London, England. The trio and eleven other survivors are attending a reception in connection with the film,

PHOTO: EAST NEWS DZIOB TITANICA LEZACEGO NA DNIE OCEANU The bow of the RMS Titanic lies on the bottom of the Atlantic Ocean off the coast of Newfoundland, Canada, as viewed by a remotely-operated vehicle 10 August. Discovery Communications and RMS Titanic are renewing efforts to explore the wreckage of the ship. A huge section of the ship's hull has been brought to the surface and lifted aboard a research ship anchored above the wreck according to a Discovery Channel. AFP PHOTO/MANDATORY CREDIT RMS TITANIC INC./DISCOVERY CHANNEL

A radio telegram sent from the German ship the Amerika to the Titanic to warn the crew about the icebergs that they eventually rammed. The message was never deciphered by the Titanic's telegram operator. This picture was taken in 1997 at the Titanic Historical Society's museum in Springfield, Mass. (AP Photo/Matthew Cavanaugh)

PHOTO: EAST NEWS TALERZE LEZACE NA DNIE MORZA POCHODZACE Z TITANICA Sets of breakfast dishes from the sunken Titanic (1912) are shown in New York, 25 August 1987, in the position they were found by expedition Titanic 1987.

PHOTO: EAST NEWS ROBOT JASON JR. PRZY TITANICU LEZACYM NA DNIE OCEANU ATLANTYCKIEGO The Woods Hole Oceanographic Institution released this photo of the robotic vehicle Jason Jr. during a news conference on the Titanic held at the National Geographic Society 30 July 1986. The institution said it shows Jason Jr leaving its "garage" aboard the manned submersible Alvin as it sets out for a day's work photographing the Titanic some 13,000 feet below the surface of the ocean.

Explorer Dr. Robert Ballard discusses his upcoming return trip to the site of the R.M.S. Titanic in Woods Hole, Ma., July 8, 1986. Behind him is the ALVIN, a submersible designed to dive to depths over 1 mile. (AP Photo/Mike Kullen)

PHOTO: EAST NEWS DZIOB TITANICA LEZACEGO NA DNIE OCEANU ATLANTYCKIEGO BLISKO Photo sous-marine de la proue du Titanic prise le 10 septembre 1985 dans l'oc??an Atlantique, au large de Terre-Neuve (Canada). Le luxueux paquebot avait heurt?? un iceberg lors de son voyage inaugural entre Southampton, Angleterre, et New York en avril 1912. Plus de 1500 passagers avaient p??ri dans le naufrage. Underwater picture taken 10 September 1985, showing the bow of the Titanic as it rests on the Atlantic ocean floor near the coast of Newfoundland (Canada).The luxury liner hit an iceberg while on its maiden voyage from Southampton, England, and New York in April 1912. More than 1500 passengers died in the shipwreck.

Mrs. Renee Harris, New York's first woman theatrical producer, sits near a portrait of her husband Henry B. Harris, a theatrical producer who died in the Titanic disaster in 1912, in her New York apartment on Jan. 6, 1959. Harris, now in her mid seventies, was among the 705 people saved when the ship sank after striking an iceberg in the North Atlantic. (AP Photo/Jack Harris)

The liner Titanic leaves Southampton, England on her maiden voyage Wednesday, April 10, 1912. (AP photo)

The Luxury liner Titanic departs Southampton, England, prior to her maiden Atlantic voyage on April 10, 1912. (AP Photo)

The British liner Titanic sails out of Southampton, England, at the start of its doomed voyage on April 10, 1912. The ship struck an iceberg and sank on April 14-15, killing more than 1,500 of the 2,200 people aboard, many of them because there weren't enough lifeboats. (AP Photo)

A huge crowd gathers in front of the White Star Line office on New York City's Broadway, waiting for the latest news about the Titanic. The luxury liner was on its maiden voyage between Southampton, England, and New York, when it struck an iceberg and sank in the early morning hours of April 15, 1912. More than 1500 people died in the disaster. (AP Photo)

Crowds gather around the bulletin board of the New York American, in New York City, where the names of people rescued from the sinking Titanic are on display. The luxury liner was on its maiden voyage between Southampton, England, and New York, when it struck an iceberg and sank in the early morning hours of April 15, 1912. More than 1500 people died in the disaster. (AP Photo)

People are gathered in front of the The New York Sun's building on Broadway, reading the bulletin board with latest news about the Titanic, in April 1912. The luxury liner was on its maiden voyage between Southampton, England, and New York, when it struck an iceberg and sank in the early morning hours of April 15, 1912. More than 1500 people died in the disaster. (AP Photo)