Complex sentence: Stevenson's associates in the new law firm included W. Willard Wirtz, William McCormick Blair, Jr. and Newton N. Minow; each of these men would later serve in the Kennedy and Johnson administrations.
Split into simpler sentences: Stevenson's associates in the new law firm included W. Willard Wirtz, William McC. Blair Jr. and Newton N. Minow; each of these men would later serve in the Kennedy and Johnson administrations.