In Diana Vreeland.
Diana Vreeland had sharp eyes and used it 

as a fashion editor for Vogue and Harper's Bazaar. 

She was a visionary in the fashion's microcosm, 

far from the Wintour, Roitfeld etc...

The documentary made in 2012 and named "The eye has to travel" is perfect 

if you want to know more about this extraordinary lady.