Tracy Callis is an American boxing historian, writer and journalist.
In 1963, Callis earned a master's degree in mathematics at Virginia Tech and worked at NASA's Langley Research Center as a mathematician for three years and later as a computer systems engineer for five years with IBM Corporation.
He retired after serving thirty two years as a professor of information technology at Virginia Western Community College.
He is recognized as one of the leading experts on 19th-century fighters including those who fought in the bare-knuckles era.
Among the research he discovered as an IBRO member are: 4 additional knockout wins for Archie Moore (increased his KO record to 132), an additional 13 fights for Mickey Walker and 23 knockout wins for Jimmy Wilde.