▁period ▁that ▁included ▁the ▁B SE ▁crisis . ▁ ▁He ▁was ▁the ▁UK ▁Represent ative ▁at ▁the ▁World ▁Health ▁Organisation ▁and ▁cha ired ▁its ▁Executive ▁Committee ▁ 1 9 8 8 / 9 . ▁ ▁In ▁ 1 9 9 8 , ▁he ▁was ▁appointed ▁Vice - Ch an cell or ▁and ▁W arden ▁of ▁Dur ham ▁University . ▁His ▁time ▁as ▁vice - chan cell or ▁saw ▁the ▁expansion ▁and ▁integration ▁of ▁the ▁campus ▁at ▁Stock ton - on - Te es , ▁with ▁two ▁colleg es ▁being ▁established ▁there ▁in ▁ 2 0 0 1 ▁and ▁the ▁campus ▁being ▁renamed ▁Queen ' s ▁Camp us ▁during ▁the ▁ 2 0 0 3 ▁Golden ▁J ub ile e ▁celebr ations . ▁A ▁new ▁college ▁was ▁also ▁opened ▁in ▁ 2 0 0 6 , ▁Joseph ine ▁Butler ▁College . ▁There ▁was ▁also ▁a ▁return ▁to ▁the ▁teaching ▁of ▁medicine ▁at ▁Dur ham , ▁with ▁students ▁doing ▁their ▁pre - cl in ical ▁studies ▁at ▁Queen ' s ▁Camp us ▁before ▁transfer ring ▁to ▁New castle ▁to ▁complete ▁the ▁clin ical ▁part ▁of ▁their ▁degrees . ▁His ▁time ▁as ▁vice - chan cell or ▁also ▁saw ▁the ▁closure ▁of ▁the ▁Department ▁of ▁App lied ▁L ingu istics ▁in ▁ 2 0 0 3 ▁and ▁Department ▁of ▁East ▁Asian ▁Studies ▁in ▁ 2 0 0 7 . ▁Professor ▁Cal man ▁retired ▁as ▁W arden ▁in ▁ 2 0 0 6 ▁and ▁was ▁succeeded ▁by ▁Professor ▁Christopher ▁H igg ins . ▁ ▁Cal man ▁was