Frank Vallance. The studio backdrop, however, is different from photos dating from 1924, and it may be that Rider was still in Vallance's old premises in Puckle Street. It seems, however, that the long woollen rug often used in the later Rider photos appears to be in the background of this photo. You can compare the studio backdrops and the woolly rug at the Time Travellers website.
This photo and others of Anderson family weddings are courtesy of Julie Knight. The wedding portraits provide useful evidence of the hat styles for bridesmades in the late 1920s.