Walter Isaacson, a professor of history at Tulane, has been CEO of the Aspen Institute, chair of CNN, and editor of Time. He is the author of 'Leonardo da Vinci; The Innovators; Steve Jobs; Einstein: …
Chris Hadfield is one of the most seasoned and accomplished astronauts in the world. The top graduate of the U.S. Air Force Test Pilot School in 1988 and U.S. Navy test pilot of the year in 1991, Hadf…
Eric Jorgenson is an entrepreneur, writer, and investor. He is on the founding team of Zaarly, and has been publishing online since 2014. His blog has educated and entertained over a million readers.
