He donated the Hackness stone of which the Rotunda Museum is built .
Still in his twenties , Sir John was an intellectual leader in Scarborough in the 1820s and a staunch supporter of Smith and his ideas .
Smith donated the Hackness stone of which the Rotunda Museum is built .
Still in his twenties , Sir John was an intellectual leader in Scarborough in the 1820s and a staunch supporter of Smith and his ideas .