Στο σχετικό λήμμα της Wikipedia γράφει:
Ωστόσο, αυτό που δεν βοηθά καθόλου τη θεωρία του φίλου σου είναι που, πριν από αυτή τη σημασία, think tank ήταν το τσερβέλο:
The term think tank itself, however, was originally used in reference to organizations that offered military advice, most notably the RAND Corporation, founded originally in 1946 as an offshoot of Douglas Aircraft and which became an independent corporation in 1948.
Βλέπω στο OED σαν πρώτη σύγχρονη χρήση του όρου:1959 Times Lit. Suppl. 6 Nov. p. xix/2 Even the Institute of Advanced Studies at Princeton does not quite meet the bill, nor does the ‘think tank’, the Center for Behavioral Sciences at Palo Alto.
Ωστόσο, αυτό που δεν βοηθά καθόλου τη θεωρία του φίλου σου είναι που, πριν από αυτή τη σημασία, think tank ήταν το τσερβέλο:
1. colloq. The brain. U.S.
1905 A. L. Stillman in A. H. Shearer Little Bk. Rutgers Tales 51 There's too much scrapping in the Joint.‥ Your Think-tanks are getting to be Air-tight Compartments. 1964 St. Louis Post-Dispatch 8 May 2a/3 Truman‥said he hoped to live to be 90 but only ‘if the old think-tank is working’. (OED)
1905 A. L. Stillman in A. H. Shearer Little Bk. Rutgers Tales 51 There's too much scrapping in the Joint.‥ Your Think-tanks are getting to be Air-tight Compartments. 1964 St. Louis Post-Dispatch 8 May 2a/3 Truman‥said he hoped to live to be 90 but only ‘if the old think-tank is working’. (OED)