Louan Gideon (November 12, 1955 – February 3, 2014) was an American actress best known for her role as antagonist Danielle Atron on Nickelodeon's "The Secret World of Alex Mack". She was also the last actress to play Liza Walton Sentell on the long-running soap opera "Search for Tomorrow". Using only the above description and what you know about the world, "Louan Gideon was 70 when he died" is definitely correct, incorrect, or inconclusive? 