...n Kemble and Siddons were in the first day of their triumphs at Drury Lane. At the age of twenty-four he made the acquaintance of Edmund Kean, for whom he wrote his first play, a melodrama, called " Leo , the Gipsey." In 1815 his tragedy of "Calus Gracehus" was produced at Belfast, and afterwards he wrote "William Tell" for Macready. His "Blind Beggar of Bethnal Green," produced in 1828, was a fail...