Laga soo bilaabo 1966 ilaa 2003, wuxuu ahaa borofisar ku takhasusay luuqadaha Jaamacadda California, San Diego. Laga soo bilaabo 1997 ilaa 1999 wuxuu sidoo kale u adeegay madaxweynaha Ururka Caalamiga ah ee Linguistics Linguistics. Su'aal: Sannadkii ugu dambeeyay ee uu Langacker wax ku baray Jaamacadda California?
Sannadkii 2003