Introduction -- The origin of the electoral colleges -- Hamilton's Electoral College (1788-1800) -- Jefferson's Electoral College (1804-1824) -- Jackson's Electoral College (1828-1852) -- Civil War, minority rule, and slavery (1856-1864) -- Lincoln's Electoral College (1868-1916) -- A coeducational Electoral College (1920-1956) -- The system in transition (1960-1968) -- The modern system (1972-2020) -- A primer on power in the Electoral College -- Problems and solutions.