The Ten Most Iconic Photo Portraits Of the 20th Century

They say that 'a picture is worth a thousand words,' but some photographs eschew any such numeric limitation and go on talking to us forever; certain photo portraits have that rare power.

Far more than pictorial representations of celebrated or instantly recognizable figures, they capture so much more, seeming to encapsulate not simply the very essence of the person in shot but all they have come to stand for - the attitudes, beliefs and values of an entire era. Here are ten photographs of iconic individuals which triumph in communicating in myriad and immeasurable ways.