Kale Catchings added 15 points for the Crimson. Ledlum also had seven rebounds.
Noah Kirkwood had 12 points for Harvard (3-1).
Louisville hires Milt Wagner, former Cardinals star and grandfather of No. 1 basketball recruit D.J. Wagner, as director of player development
Milt Wagner starred at Louisville, and his son Dajuan Wagner was an NBA lottery pick after playing for John Calipari at Memphis. D.J. Wagner is the No. 1 recruit in the country.
Winners and losers of the 2022 NBA draft combine
Who helped or harmed their stock heading into the NBA draft on June 23?
College basketball realignment tracker: Keeping track of NCAA Division I conference changes
More than half of college basketball's 32 Division I conferences have pending membership changes. We're tracking them all.