The rough-hewn general who rose to the nation's highest office, and whose presidency witnessed the first political skirmishes that would lead to the Civil War

Zachary Taylor was a soldier's soldier, a man who lived up to his nickname, "Old Rough and Ready." Having risen through the ranks of the U.S. Army, he achieved his greatest success in the Mexican War, propelling him to the nation's highest office in the election of 1848. He was the first man to have been elected president without having held a lower political office.

John S. D. Eisenhower, the son of another...

The plainspoken man from Missouri who never expected to be president yet rose to become one of the greatest leaders of the twentieth century

In April 1945, after the death of Franklin Delano Roosevelt, the presidency fell to a former haberdasher and clubhouse politician from Independence, Missouri. Many believed he would be overmatched by the job, but Harry S. Truman would surprise them all.

Few chief executives have had so lasting an impact. Truman ushered America into the nuclear age, established the alliances and principles that would define the cold war and the...