<P> Following on from this visit the Mayor of Kolkata, Bikash Ranjan Bhattacharya (who was amongst the representatives from the India High Commission) decided to raise funds to restore the mausoleum . </P> <P> In 1983, a full scale Exhibition on Ram Mohan Roy was held in Bristol's Museum and Art Gallery . His enormous 1831 portrait by Henry Perronet Briggs still hangs there, and was the subject of a talk by Sir Max Muller in 1873 . At Bristol's Centre, on College Green, is a full size bronze statue of the Raja by the modern Kolkata sculptor, Niranjan Pradhan . Another bust by Pradhan, gifted to Bristol by Jyoti Basu, sits inside the main foyer of Bristol's City Hall . A pedestrian path at Stapleton has been named "Rajah Rammohun Walk". There is a 1933 Brahmo plaque on the outside west wall of Stapleton Grove, and his first burial place in the garden is marked by railings and a granite memorial stone . His tomb and chattri at Arnos Vale are listed Grade II * by English Heritage, and attract many admiring visitors today . </P>

Who was the pioneer among the following social reformers