Murray Gell-Mann on some of Bjorken's contributions.<p><a href="https://www.youtube.com/watch?v=Mlk5OlaUtuQ" rel="nofollow">https://www.youtube.com/watch?v=Mlk5OlaUtuQ</a><p><a href="https://www.youtube.com/watch?v=bw9lytHrW-Q" rel="nofollow">https://www.youtube.com/watch?v=bw9lytHrW-Q</a><p><a href="https://www.youtube.com/watch?v=5PH4H29g_wQ" rel="nofollow">https://www.youtube.com/watch?v=5PH4H29g_wQ</a>