James E. Faller (January 17, 1934 – June 14, 2023) was an American physicist and inventor who specialized in the field ofgravity. He conceived theLunar Laser Ranging Program, the goal of which, was to fire high powered laser beams at specialretroreflectors placed on the Moon byApollo program Astronauts. He invented a gravity motion sensor, called the AbsoluteGravimeter, which is sensitive enough to detect changes in the local gravitational field due to a person's mass. His work was featured in many books and magazines, such asNational Geographic. In 2001, his gravity detection device was featured on theScience Channel in the showHead Rush and was used to debunk anti-gravity devices that were for sale on the market. All devices tested on the show did not produce any kinds of gravitational anomalies. In that same year, he received theJoseph F. Keithley Award for Advances in Measurement Science. His research interests includedgeophysics,experimental relativity,fundamental constants, and precision measurement experiments designed to look for possible invalidations of accepted physical laws at extreme magnitudes. He worked for theNational Institute of Standards and Technology (NIST) and was working on a new measurement ofG, theNewtonian constant of gravitation. Faller died on June 14, 2023, at the age of 89.[1]
In 2001 James received the Joseph F. Keithley Award For Advances in Measurement Science.[2] The citation for the award was "For the development of sensitive gravitational detectors and their successful application to the study of physics and geophysics."[2]
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