I bet someone knows all of these people?

Wivenhoe branch of the St. Johns Ambulance Brigade, not sure of the date , but it could be the 1960's.

 Middle row: 2nd left - Barbara Hammond (nee Foster) far right: Anne Foster (nee Rutt?) Front row: Far right: Margaret Aldous (nee Durrell) Lovely photo. Sue Critchley.

Wivenhoe memories collection.