Rt:Photography:What exactly is a portrait and how is the contemporary cult of celebrity related to portraiture?

Please include: The Photograph by Graham Clarke, Oxford History of Art, Oxford University Press, 1997. in the bibliographic source to support one or more arguments.
If you discuss particular images in detail, please let me know or link to images.
I encourage you to use the first person Iin the writing.
The paper will be graded based on:1) Is the argument(s) coherent and well structured? 2)Does the paper provoke critical thought? 3) Does the essay offer surprising insights?