Ian McKellen and John Barton

 John Barton directed Ian McKellen in five plays, going back to their student days at Cambridge

HENRY IV Part 2 (1959)

THE THREE SISTERS (1959)

DR FAUSTUS (1974)

PILLARS OF THE COMMUNITY (1977)

KING JOHN (1979)

Ian also participated in three episodes of "Playing Shakespeare" (1982) written and hosted by John Barton for London Weekend Television, later broadcast on PBS in US.