I've actually sat and studied those little portraits, wondering what occasioned them: birthday? anniversary gift? graduation? picture of baby for the relatives? It's hard to see this online, but the woman in the upper left corner of the second group up from the bottom right bears a strong resemblance to Lady Bird Johnson....

Was Evans attracted by the geometric regularity of the display (12 groups of 15 pictures each)? Or did he think it was a quick way to capture many faces of everyday folk? (Remember he captured anonymous workers one at a time on the street in Detroit in the 1940's....)

(For those who are not familiar with Evans, I can recommend the book "The Hungry Eye", the video "Walker Evans' America", and the book "Walker Evans: Polaroids".)