William I. McLaughlin

William I. McLaughlin (1935-May 31, 2025) was an American space scientist.

After being awarded his PhD in mathematics at the University of California at Berkeley in 1968 (with a thesis on celestial mechanics), he worked at Bellcomm, Inc. in Washington D.C. on the Apollo lunar-landing program. In 1971 he joined the Jet Propulsion Laboratory, where he remained until his retirement in 1999. He participated in a number of projects, including Viking, SEASAT, and the Infrared Astronomical Satellite (IRAS). He served as the JPL deputy director of astrophysics, the manager of the Voyager 2 flight engineering office during the spacecraft's encounter with Uranus, and manager of the Mission Profiling and Sequencing Section.