Typescript containing biographies and excerpts from works by Clyde W. Tombaugh, James W. Christy, and Glenn T. Seaborg, two pages, 8.5 x 11, with the first two mentioned signing on the first page in blue ballpoint, "Clyde W. Tombaugh, 19 June 1991," and in black ink, "J. W. Christy," and the latter signing the second page in black ink, "Glenn T. Seaborg.' The first sheet is also signed by Christy's wife Charlene "Char" Christy, the namesake of the Pluto moon. In fine condition.
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