Caleb Scharf
Caleb Scharf is a scientist, writer, and speaker. His research career has spanned cosmology, astrophysics, and astrobiology. He is Director of Astrobiology at Columbia University in New York where he pursues fundamental questions about the nature of life in the universe. He is a prolific, critically acclaimed, writer and scientific explainer, with several popular science books and hundreds of articles appearing in publications such as Scientific American, Nautilus, Aeon, and The New Yorker. His public lectures and events have taken him around the globe and he is a frequent consultant for a variety of TV and media science productions. His mantra is: Imagine. Think. Discuss. Repeat.
