William P. Blair is an astrophysicist and research professor in the Department of Physics and Astronomy at The Johns Hopkins University. He currently splits time between ongoing research projects at Johns Hopkins and as the Project Scientist for User Support for the James Webb Space Telescope project at the Space Telescope Science Institute. For many years Blair worked on the Far Ultraviolet Spectroscopic Explorer (FUSE) project at Johns Hopkins, where he served as head of mission planning from 1996 to 2000 and then as Chief of Observatory Operations from 2000 through the end of the mission contract in mid-2009. Prior to FUSE, Blair worked for many years on another telescope project headquartered at Johns Hopkins. This telescope, called the Hopkins Ultraviolet Telescope, flew twice on the space shuttle (in 1990 and 1995). Blair is also a user of various instruments on the Hubble Space Telescope, the Chandra X-ray Observatory, and other space-based and ground-based facilities.