As he hits an extraordinary landmark, the playwright relives his first drama, which made him £30, and recalls bouncing back from the stroke that left him desolate and devoid of ideas It is a mind-blowing fact that when Show & Tell opens at Scarborough's Stephen Joseph theatre in early September, it will be Alan Ayckbourn's 90th play. Talking to the dramatist at his home in the town, I discover something even m…
