Leave your feedback Share Copy URL https://www.pbs.org/newshour/show/derek-thayer-tornado-survivor Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter Story Derek Thayer, physical therapy assistant at the Moore Medical Center, lost his truck during the May 20 tornado. He helped get patients to safety during the storm. He lived through the 1999 tornado in Oklahoma as well. "To live through two EF-5 tornados in one lifetime, it’s amazing," he said.