Twins Izzy and Sophia Kilburn (13) have successfully campaigned and fundraised for a blue plaque in Brighton for pioneering lawyer Helena Normanton. The plaque was unveiled to an enthusiastic crowd, which packed the street, on the afternoon of 18th June at 4 Clifton Place, Brighton. A girls’ choir of students from Brighton College (the twins’ school) sang “This Girl’s on Fire” to start the event. Izzy…