The above diptych shows a homeless man juxtaposed with a real estate developer, from Mark Laita's book, Created Equal:
In America, the chasm between rich and poor is growing, the clash between conservatives and liberals is strengthening, and evil and good seem more polarized than ever before. At the heart of this collection of diptychs is my desire to remind us that we are all equal, until our environment, circumstances or fate molded and weathered us into whom we have become.
More contrasts here.
The Dish 