Patrick Hayward Caddell was an American public opinion pollster and political film consultant who became a prominent figure in modern American political campaigning. Best known for his work during the 1970s and 1980s, Caddell served as a key advisor within the presidential administration of Jimmy Carter.\n\nOver his decades-long career, Caddell consulted for a diverse roster of major political candidates, primarily within the Democratic Party. His presidential campaign portfolio included advising George McGovern in 1972, Jimmy Carter during his 1976 and 1980 campaigns, Gary Hart and Walter Mondale in 1984, Joe Biden in 1988, and Jerry Brown in 1992.\n\nBeyond presidential bids, Caddell's consulting expertise was utilized by numerous other high-profile political figures. His clients spanned various offices and included Mario Cuomo, Bob Graham, Michael Dukakis, Paul Simon, Ted Kennedy, Harold Washington, Andrew Romanoff, and Donald Trump.