- Circa 1950
Portrait of Benjamin Talbot Brooks (b. 1885). Brooks was an authority on petroleum and author of several volumes on the subject, including The Chemistry of Petroleum Hydrocarbons (1954-55).
- Circa 1958
Portrait of Howard Farkas (d. 1978). Farkas graduated from New York University in 1915 and was senior vice president and secretary of the U.S. Stoneware Co. He served as President of the Chemists' Club of New York from…