Who do you know in this Grantham photo? May 18, 2020 by Grantham Matters Leave a Comment A Strike at Superfoam, Alma Park, caused by the sacking of a shop steward brought out the pickets in 1972. The company refused to speak with the union and the dispute dragged on. 1972. It is the picket line at Superfoam, Alma Park. A shop steward was sacked and the company refused to talk to the unions, so they all downed tools. ?, Carol Hibbitt, ?, Betty Robinson. June Sentence. Chris Bailey. Christopher Healey, June Bentham .Mary Woods.