Add spaces: OverviewFeaturesScreenshotsDownloadPurchasePayPalManualCommentsNewsFAQHistory

Answer: Overview Features Screenshots Download Purchase PayPal Manual Comments News FAQ History

Add spaces: largegroupsorcrowds.

Answer: large groups or crowds.

Add spaces: HeremainedatBerkeleyfortherestofhiscareer,becomingprofessoremeritusin1968.

Answer:
He remained at Berkeley for the rest of his career, becoming professor emeritus in 1968.