David P. Harmon
David P. Harmon  was the author of the  second season episodes  and , and the  first season episode . He also submitted a story idea in  called "Beware of Gryptons Bearing Gifts"; it was not produced, however. His career as a writer and producer spanned nearly fifty years, and his writing credits included Gilligan's Island, The Brady Bunch, The Untouchables, various Wonderful World of Disney productions, and many others.

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Writers