About

When NASA classified Karl as non-astronaut material in 1981 he walked straight into ABC Radio station Double J and offered to talk about the Space shuttle launch. They said ‘Okay’ and his radio career took off from there. ‘Great Moments In Science’ ran on Double J while Karl moonlighted as a medical student. Since then, his media career has exploded from radio, to TV, books, newspapers, magazines, scripting, professional speaking, podcasts and the internet including 500,000 TikTok follow