I EVERYBODY
A NACCOUNTO FERMI
b
EriM Jon
ABSTR
famouquestion ocentrt debaa bt prev
o fextraterrestriacivilizatioaroduria luncconve
withEm iKonopinskiEdwaTellea nHerbY oi t s u
o f1950Fermi’companioo thad ah aprovaccoo t
incident.
Parto fthecurrentdebateabouttheexistencea nprevaleno extraterre
interstellartravelandsettlement.
1-3I n1975MichaeH aargut h
traw o
b efeasiblefora technologicallyadvancedcivilizatioa nthaa migratwouf it G a
i na fewmillionyears.4Sincethatintervali shorcomparewitt ha go t hGalh t h
concludedthattheabsenceo fsettIerso revidenco theiengineerprojei t S o
Systemmeantthattherearen ocxtraterrestrials.
Newman,Sagan,andShklovski2”5recallthaa legeno scien
t hEnrF ea s
thequestion,“Wherearethey?”duringa visit L oAlamodurit hSecW oW o
shortlythereafter.Fermi’squestionhasbeenmentionei severothrecpublicb
historicalbasisfortheattributionhasnotbee
Thant t hexcelmemo
HansMark,whohadhearda retellinga t
Alamoi t hearl1950w nowlmoF e
didmaketheremarkduringa lunchtime
abou195H icompanw e
Konopinski,EdwardTeller,andHerbertYorkA lthrehavprovidaccouo t inci
W ebeginwithKonopinski:“ Ihaveonlyfragmentarrecollectiabot hocca. . . I
d ohavea fairlyclearmemoryo fhowthediscussioo extra-terrestrg ostarted
Enrico,Edward,HerbYork,andI werewalkingt Iunca FullLodg
“WhenI joinedtheparty,I foundbeingdiscusseevidenaboflyisaucT h
immediatelybroughtt om yminda cartoonI h arecentlseei t hN eYork
whypublictrashcansweredisappearing
t hstreeto N e
CitT hN Y op a
weremakinga fussaboutthat.Thecartoonshowewhaw aevidena flysausiti
thebackgroundand,streamingtowardit,‘littlgreemen(endoww iantencar
thetrashcans.MoreamusingwasFermi’scommentthai w aa verreasonthes ii
accountedfortwoseparatephenomena:t hreporto flyinsaucea w ea
disapp
o fthetrashcans.Thereensueda discussiona t whethet hsaucecousome
t
speedo flight.”
1