Who Died Today Famous: whodiedtoday.comApollo 13 Hero Astronaut Ken Mattingly is Dead at Age 87.Apollo 13 Hero Astronaut Mattingly Passes Away at 87: Remembering His Remarkable Contributions.Read Full StoryApollo 13 Hero Astronaut Ken Mattingly is Dead at Age 87.News ContributorNovember 5, 2023