"It was thrilling. I felt a chill run up my back as I happened upon the pictures in a plain manila envelope in a box of a 1940s Roosevelt biographer's research materials. For a geek, this is paradise - what meeting Michael Jordan or Cher, or winning the lottery signifies to a more balanced person. I wanted to shout out loud as I "discovered" the prints, or do one of those Macaulay Culkin arm-cocking gestures from "Home Alone," or a Jim Carrey pelvic rant, or, like Roosevelt at the site of his first buffalo kill, perform an "Indian war dance."

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