Langmuir's World (1998)57 minNot rated yetDocumentaryCountry of originNot yet availableCastKatie Karlovitz as NarratorKurt Vonnegut Jr. as SelfCrewIrving Langmuir · Archive footageRoger R. Summerhayes · DirectorRoger R. Summerhayes · WriterRoger R. Summerhayes · ProducerRoger R. Summerhayes · Editor