Neil Gilbert Siegel (born February 19, 1954) is an American computer scientist, systems engineer, and engineer, known for his development of many key systems for the United States military, including the Blue-Force Tracking system, the US Army's first unmanned air vehicle system, the US Army forward-area air defense system, and many others. Several of his key inventions also found their way into consumer products, such as hand-held devices whose map displays automatically orient themselves to align with the real-world's cardinal points.He won IEEE Simon Ramo Medal in 2011.