Complex sentence: From 1963 to 1973, Huckaby was a management executive for the defunct Western Electric Company, a subsidiary of AT&T, in Atlanta from 1963 to 1969, and then in Chicago from 1970 to 1973.
Split into simpler sentences: From 1963 to 1973, Huckaby was a management executive for the defunct Western Electric Company, a subsidiary of AT&T. He was in Atlanta from 1963 to 1969, and then in Chicago from 1970 to 1973.