Samuel Arbesman is a complexity scientist, whose work focuses on the nature of scientific and technological change, and is currently a Scientist in Residence at Lux Capital. He is also a Research Fellow at the Long Now Foundation. In addition to his scientific research, his essays about science, mathematics, and technology have appeared in such places as the New York Times, Wall Street Journal, and The Atlantic. Arbesman is the author of the award-winning The Half-Life of Facts (Current/Penguin, 2012), which explores how knowledge changes over time. Previously, Arbesman was a Senior Scholar at the Ewing Marion Kauffman Foundation and a Research Fellow in the Department of Health Care Policy at Harvard Medical School. He completed a PhD in computational biology at Cornell University in 2008, and earned a BA in computer science and biology at Brandeis University in 2004.