Sites

Pictures of Famous Physicists (Popularity: )
http://www.Th.physik.uni-frankfurt.de/~jr/portraits.html
portraits, black-and-white drawings, and group photographs.

Picture Gallery of Famous Physicists (Popularity: )
http://www.if.ufrj.br/famous/physlist.html
images of noteworthy physicists.

Images of Physicists (Popularity: )
http://charm.physics.ucsb.edu/people/hnn/physicists.html
offers thumbnail and larger images of physicists.

Physicists on Stamps (Popularity: )
http://www.th.physik.uni-frankfurt.de/~jr/physstamps.html
images of stamps honoring physicists.

Emilio Segrè Visual Archives - American Institute of Physics (Popularity: )
http://www.aip.org/history/esva/
historical photographs focusing on American physicists and astronomers of the twentieth century. A subset of the collection is viewable online.

Physicists on the Money (Popularity: )
http://www2.physics.umd.edu/~redish/Money/
physicists have been honored by having their picture on currency in many countries around the world.