Nelson-Henry finished with 18 points, 11 rebounds and three steals for the Quakers (8-20, 5-6 Ivy League), who snapped a two-game losing streak. Henry Brooks and Miles Cartwright each scored 12 points.
Penn, which led by 16 points late in the first half, had its lead trimmed to 69-65 with 1:38 left to play when Harvard's Laurent Rivard knocked down a 3-pointer. The Crimson cut the deficit to three points on Siyani Chambers' 3-pointer with 13 seconds remaining, but two-seconds later, Miles Cartwright answered with two free throws to push the Quakers' lead to five.
Christian Webster's 3-pointer cut the score to 74-72, but that was the last shot Harvard (17-9, 9-3) would attempt.
Wesley Saunders scored 20 points and Webster had 16 points for the Crimson.
ESPN's Dan Dakich joins The Paul Finebaum Show to discuss the SEC's presence in the NBA Draft.
Ted Kapita was the top-rated recruit from West Virginia in the class of 2015 and recently played at DME Academy in Florida.
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