Marcellus Gilmore Edson (June 21 1849 – March 7 1935) was a Canadian pharmacist and chemist best known for receiving the first United States patent for a peanut‑based paste, later known as peanut butter.
Early life and education
Edson was born in Saint‑John, New Brunswick, Canada. Details of his formal education are limited, but he pursued training in pharmacy, eventually establishing himself as a practicing pharmacist in Canada.
Career and invention
Working as a pharmacist, Edson experimented with various food preparations. On May 2 1884, he was granted U.S. Patent No. 306,200 for a “Process of making a paste from peanuts.” The patent described grinding roasted peanuts into a fine paste, adding a small amount of vegetable oil to achieve a spreadable consistency. Edson’s formulation differed from later commercial versions by its minimal use of added oils and its emphasis on a smooth, homogeneous product.
Although Edson’s patent predated subsequent developments in the United States, his invention did not achieve immediate commercial success. The concept of peanut paste was later popularized in the United States by other entrepreneurs, most notably Dr. John Harvey Kellogg, who marketed a similar product in the 1890s, and Dr. Ambrose Straub, who secured a later patent in 1903.
Later life
Edson continued to work in the pharmaceutical field in Canada throughout his life. He remained active in professional societies, contributing articles on nutrition and food chemistry to contemporary journals. He died on March 7 1935 in Montreal, Quebec.
Legacy
Marcellus Gilmore Edson is recognized by historians of food science as the first individual to secure a patent for a peanut‑based spread, laying an early technical foundation for the development of modern peanut butter. His work is cited in discussions of the evolution of processed foods and the commercialization of nut‑based products in North America.
References
- United States Patent No. 306,200, “Process of making a paste from peanuts,” filed 1884.
- Canadian Patent Office records, 1884–1900.
- Historical analyses of peanut butter development in food‑industry literature.