Dr Jack: Calcutta's Pavement Doctor

In the backstreets of Calcutta, shielded from the scorching sun by a tattered tarpaulin, mothers clutching semi-conscious, emaciated babies, and adults and children with missing or gangrenous limbs or suffering from tuberculosis or leprosy, queue in their hundreds to see Dr Jack Preger. On a stretch of pavement measuring two metres by thirty he runs a unique clinic. His patients are the destitute and the dispossessed, those who live and die on the streets. The clinic has survived for over a...