The chairman and CEO of Dell Inc. donated a collection of materials to the Smithsonian Institution’s National Museum of American History, including his employee badge, one of the company’s newest computers and a PC Limited computer from 1985. The objects will join an Altair computer, a first-generation IBM PC and an original Apple Macintosh in the museum’s collection.

DAVID NEELEMAN

JetBlue Airways Corp. replaced its founder as CEO less than three months after operating snafus essentially shut down the carrier for days and frayed relations with customers. The airline on Thursday appointed President Dave Barger as its new chief executive, effective immediately. Neeleman had been chief executive since 1998 and will retain his role as chairman.

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