Leonard Robert Carr, Baron Carr of Hadley, was a British Conservative Party politician who served as Home Secretary from 1972 to 1974. He served as a Member of Parliament (MP) for 26 years, and later served in the House of Lords as a life peer.

Reginald Maudling was a British politician who served as Chancellor of the Exchequer from 1962 to 1964 and as Home Secretary from 1970 to 1972. From 1955 until the late 1960s, he was spoken of as a prospective Conservative leader, and he was twice seriously considered for the post; he was Edward Heath's chief rival in 1965. He also held directorships in several British financial firms.