June - November 1977 Includes copy of speech which Lighthill delivered on 31 May 1977 on the occasion of J.H. Wilkinson being conferred the Honorary Fellowship of the IMA, and copy of lecture by Lighthill at IMA symposium adapted for publication in Times Higher Educational Supplement, June 1977. Lighthill's IMA lecture was titled 'Bridging the Chasm Separating examination questions (even 'difficult' ones) from real-world problems (even 'easy' ones)'. 1977