REMOVE

1. people, at play
2. gelatin silver print
3. portrait, children
4. US, IL, Chicago
5. North American; American
6. US, IL, Chicago

WHAT

1. Photographs (1)
2. gelatin silver print (1)
3. people, at play (1)
4. portrait, children (1)

WHERE

1. North American; American (1)
2. US, IL, Chicago (1)

WHO

1. George Eastman House (1)
2. Heath, David (1)

WHEN

1. 1956 (1)