BENJAMIN M. DUGGAR - FIRST DAY COVER SIGNED - HFSID 221442

BENJAMIN MINGE DUGGAR
The American plant physiologist signs first day cover celebrating the International Red Cross in black ink
First day cover signed: "Benj.M. Duggar" in black ink. 6½x3¾ commemorative envelope and first day cover celebrating the International Red Cross, postmarked November 21, 1952 in New York City, New York. Benjamin Minge Duggar (1872-1956) was an American plant physiologist. After studying at schools such as Alabama Polytechnic Institute, Harvard University, Cornell University, as well as abroad in countries including Germany, Italy and France, Duggar became an expert in botany, holding various positions at experiment stations and colleges. In 1901, he was appointed physiologist in the Bureau of Plant Industry at the U.S. Department of Agriculture, later a Professor of Botany at the University of Missouri, and then Chair of plant physiology at Cornell. Duggar served as Vice President of the Botanical Society of America from 1912 to 1914, and eventually action professor of biological chemistry at the Washington University Medical School. Duggar is best remembered for his achievement in discovering chlortetracycline (Auremoycin), the first of the tetracycline antibiotics. His works include Fungous Diseases of Plants (1909), Plant Physiology (1911) and Mushroom Growing (1915). Toned. Corners rounded. Light surface creases. Ink and pencil notes on verso in unknown hand. Slightly soiled. Otherwise, fine condition.