Edward Weston
Paying attention to the lines of a subject or a scape and examining how the lines lead to a feeling of depth in the images. Some times the emotion of an image can be effected when juxtaposed with another.
Dorthy Lange
Takes advantage of shadows to fill the negative space helps balance the photograph. Her use of shadows accentuates the dark feelings associated with the depression. Though her photos are still, they show an amount of movement due to the emotion they capture.