Southworth & Hawes was an early photographic firm in Boston, 1843–1863. Its partners, Albert Sands Southworth (1811–1894) and Josiah Johnson Hawes (1808–1901), have been hailed as the first great American masters of photography, whose work elevated photographic portraits to the level of fine art. Their images are prominent in every major book and collection of early American photography. Southworth & Hawes worked almost exclusively in the daguerreotype process. Working in the 8 ½ x 6 ½ inch whole plate format, their images are brilliant, mirror-like, and finely detailed. Writing in the Photographic and Fine Art Journal, August 1855, the contemporary Philadelphia daguerreotypist Marcus Aurelius Root paid them this praise: "Their style, indeed, is peculiar to themselves; presenting beautiful effects of light and shade, and giving depth and roundness together with a wonderful softness or mellowness. These traits have achieved for them a high reputation with all true artists and connoisseurs." He further noted that the firm had devoted their time chiefly to daguerreotypes, with little attention to photography on paper. History Personal and public portraits During their 20 years of collaboration, Southworth & Hawes catered to Boston society and the famous. Their advertisements drew a distinction between the appropriate styles for personal versus public portraiture. "A likeness for an intimate acquaintance or one’s own family should be marked by that amiability and cheerfulness, so appropriate to the social circle and the home fireside. Those for the public, of official dignitaries and celebrated characters admit of more firmness, sternness and soberness." Among their sitters were Louisa May Alcott, Lyman Beecher, Benjamin Butler, William Ellery Channing, Rufus Choate, Cassius Marcellus Clay, Charlotte Cushman, Richard Henry Dana, Jr., Dorothea Dix, Ralph Waldo Emerson, Edward Everett, William Lloyd Garrison, Grace Greenwood, Oliver Wendell Holmes, Sam Houston, Thomas Starr King, Louis Kossuth, Jenny Lind, Henry Wadsworth Longfellow, Horace Mann, Donald McKay, Lola Montez, George Peabody, William H. Prescott, Lemuel Shaw, Harriet Beecher Stowe, Charles Sumner, Daniel Webster, John Greenleaf Whittier, and Robert C. Winthrop. Documenting the birth of surgical anesthesia On the evening of September 30, 1846, Mr. Eben Frost, suffering from a violent toothache, called upon Dr. William Thomas Green Morton, a dentist at No. 19 Tremont Row, Boston. Dr. Morton administered nitrous oxide and extracted the tooth. Less than three weeks later, the so-called "Death of Pain" took place on October 16, when Dr. Morton administered ether to a patient before Dr. John