He introduced several popular songs, including I Want to Sing in Opera and The Night Watchman. He also did pantomime, and tongue twisters. (She sells sea shells by the sea shore, was introduced by Bard).Henry Joseph Whitlock (1835-1918) was a Birmingham photographer, he was the son of Joseph Whitlock and older brother of Frederick Whitlock. Henry's father Joseph Whitlock was the first person to establish a permanent photographic studio in Birmingham, in 1843. In 1852 Henry Whitlock joined the family firm, and three years later he left Birmingham to set up his own studio in Worcester. He returned to Birmingham in 1862, after the death of both his parents, and founded the firm H.J. Whitlock & Sons of Birmingham and Wolverhampton.