Frederic Crockett Billingsley (23 July 1921 – 31 May 2002) was an American engineer, who spent most of his career developing techniques for digital image processing in support of American space probes to the moon, to Mars, and to other planets.

Fred published two papers in 1965 using the word pixel,Richard F. Lyon, "A Brief History of 'Pixel'," SPIE Electronic Imaging Conference Digital Photography II, SPIE vol. EI 6069, 2006. and may have been the first to publish that neologism for picture element.

He was born in New Orleans, Louisiana, and died in Great Falls, Montana.

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