Ira Mark Egdall

Ira Mark Egdall is the author of Einstein Relatively Simple: Our Universe Revealed in Everyday Language, and the eBook Unsung Heroes of the Universe. He was a popular science writer for DecodedScience.com. He is a retired aerospace program manager with an undergraduate degree in physics from Northeastern University. Mark now teaches lay courses in modern physics at Lifelong Learning Institutes at Florida International University, the University of Miami, and Nova Southeastern University. He also gives entertaining talks on Einstein and time travel. Mark has been working on his second book, Cosmic Roots hoping for a release this summer.When not thinking about physics, Mark spends his time playing with his grandchildren and driving his wife of 50 plus years crazy.