The grave truth behind modern forensics was discovered in 1920s New York.
The 1968 Democratic National Convention saw a clash of political visions on the convention floor and violence outside on the streets of Chicago.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
The life story of Aimee Semple McPherson, religious evangelist instrumental in bringing conservative Protestantism into mainstream culture.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
An updated look at the Alabama tenant farmer families that Walker Evans and James Agee documented in their 1936 Pulitzer Prize-winning book.