October is just around the corner and I thought I would give a brief bio on one of the noted Grove Street residents  - I chose Henry C. Flagg, a New Haven Mayor from 1834 to 1839. He was not only our Mayor but also a rector and a poet. Henry C Flagg was noted for his involvement with The Citizen's Line - a steamship company which New Haveners felt was needed with the onset of the powerful railway…