Lynn Harvey's husband Phil died in October 2010 following complications from a triple heart bypass operation in September 2009 at Basildon Hospital's cardio unit.
Mrs Harvey claims that her husband caught an infection in his leg following the operation, and has criticised the treatment he received as being blase and hampered by unneccessary delay.
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The planning application said the museum would be dedicated to celebrating the achievements of East End women. Residents are very angry.