Dirk Schulze-Makuch is a professor at the Technical University Berlin, Germany, and an adjunct professor at Arizona State University and Washington State University. He is interested in all aspects of astrobiology, but particularly whether other planets and moons inside and outside our Solar System could serve as a potential habitat for life. He received the Friedrich-Wilhelm Bessel Award from the Humboldt Foundation for extraordinary achievements in theoretical biology in 2010. He is best known for his publications on extraterrestrial life, which span nearly 200 scientific articles and several books such as Cosmic Biology: How Life Could Evolve on other Worlds (2011), Megacatastrophes! Nine Strange Ways the World Could End (2012), The Extraterrestrial Encyclopedia (2016) and The Cosmic Zoo: Complex Life on Many Worlds (2017), as well as three editions of Life in the Universe: Expectations and Constraints (2004, 2008 and 2018).