1. A method of identifying at least one particular person of interest in a collection of digital images taken over time, comprising: providing the collection of digital images with each digital image containing one or more persons; storing in a digital database an appearance model having a set of features associated with the particular person of interest and a prior probability of the person of interest appearing in images by a particular photographer; comparing the appearance model with features extracted from the digital images in the collection of digital images and using the prior probability and the appearance model to determine if the particular person of interest is in one or more digital images in the collection of digital images and wherein the particular person of interest is the photographer; and providing image capture information relating to the camera settings used by the particular photographer to change the prior probability of the particular photographer being in the collection of digital images.