Sibling of Henry Joseph Whitlock (1835-1918), portrait of unknown lady. Cardiff, United Kingdom, 1930s. Information from the archive of the National Portrait Gallery (UK): Henry Joseph Whitlock, photographer; 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.