Hal Clement, 81, craftsman of sci fi novels
By Tom Long

Hal Clement, whose meticulously crafted tales of alien visitors, life-saving mathematical equations, and man-made "pseudolife" earned him the title Dean of Boston Science Fiction Writers, died Wednesday in Milton Hospital. He was 81

"Science fiction opens the door to the imagination," Mr. Clement often said.

http://www.boston.com/news/globe/obituaries/articles/2003/10/31/hal_clement_81_craftsman_of_sci_fi_novels/

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