Daniel Barstow was Senior Education Manager for the International Space Station US National Lab. In this role, he supported large-scale use of the ISS by students, teachers and the public. Previously, he was Director of TERC’s Center for Earth and Space Science Education, President of the Challenger Learning Center network and Principal Investigator for Windows on Earth, with its breath-taking photos of Earth taken by the astronauts. Now retired, he continues his work with Earth photography from space, as Education Mission Specialist for the Association of Space Explorers and Founding Director of Earth Movie Theater, with its joyous music as you fly over Earth.