Elizabeth Rigby, later Lady Eastlake (1809-1893), c. 1844-1845. David Octavius Hill (British, 1802-1870), and Robert Adamson (British, 1821-1848). Salted paper print from calotype negative; image: 21.5 x 15.6 cm (8 7/16 x 6 1/8 in.); matted: 45.7 x 3