Small, classically-inspired, bust-length profile portrait relief within an oval medallion with molded edges. The medallion is made of gilded plaster. The underside of the medallion is smooth, and is inscribed "Newton" in horizontally-oriented, free-hand script. The top center of the medallion has been fitted with a small brass loop. This object bears no identifying marks with regard to its maker or date. A large, horizontal crack is visible running through the upper and lower surfaces of the medallion (this crack has been repaired). Various chips in the upper surface edges of the medallion / losses of gilding are visible as well. The underside of the medallion bears a small red-and-white tag that reads "U.82 / 20".

Obverse: bas-relief profile portrait of John J. Carty; "NATIONAL ACADEMY OF SCIENCES" around perimeter. Reverse: "THE JOHN J. CARTY MEDAL FOR THE ADVANCEMENT OF SCIENCE" and raised rectangle bearing "EDWIN G. CONKLIN 1943" One of two identical medals.

Glass color transparency of William Welch seated outdoors in a chair. Presented with the papers of Simon Flexner (APS Library).

Oval, 3/4 portrait bust of Peter Collinson in center with "PETER COLLINSON. F.R.S. SAS." outside bottom perimeter. Signed "Trotter. S." at bottom right, under portrait. At bottom in script: "Hinc, quce Natura negabat Visibus humanis Oculis ca Pectoris hausit. Cumque Animo, it vigili perspescerat omnia cura; In medium discenda dabat." In gilt, wooden frame behind glass.

Oval, frontal portrait bust of John Fothergill in center with "JOHN FOTHERGILL. MD.F.R.S." outside bottom perimeter. Signed "Rd. Livesay pincr" and "F. Bartolozzi sculp" along bottom perimeter. At bottom in script: "Cui suas artes, sua dona laetus Et herbam et Venae salientis ictum Scire concessit, celerem et medendi Delius usum." "From a Bust in the Possession of Dr. Lettsom" at bottom. In gilt, wooden frame under glass.

Portrait with head and shoulders visible; body turned three-quarters to the left, head facing center. The sitter wears a dark suit, waistcoast, and bow tie, a white shirt with gold buttons, and a gold watch chain across waistcoat. Inscribed: "H. Ulke" on front, lower right corner.

Head and shoulders of subject, slightly turned right. Wears robe, dark coat, and cravat with stickpin. Dark brown background. After ca. 1899 portrait by artist, who copied a 1897 photograph.

Obverse: bas-relief of classical figure and torch; "COLLEGE OF PHYSICIANS & SURGEONS COLUMBIA UNIVERSITY" around perimeter, "Abram Belskie" under knee of figure. Reverse: bas-relief of building facade; "TWO HUNDREDTH ANNIVERSARY 1767 1967" around perimeter, "Hans T. Clarke" under facade. Presented along with the papers of Hans T. Clarke (APS Library).

Obverse: classical female figure standing with shield marked "NATIONAL INSTITUTE OF SOCIAL SCIENCES" Reverse: bas-relief of torch; "NATIONAL INSTITUTE OF SOCIAL SCIENCES" around perimeter; "DIGNUS HONORE EDWIN G. CONKLIN " at center.