Nathan Augustus Cobb 

 (1859-1932) 



As nematologist with the Bureau of Entomology, United States 

 Department of Agriculture, Dr. Cobb inspected the shipment of cherry 

 trees for root gall worms in 1910. 



Dr. Cobb was born in Spencer, Mass. After graduating from Worcester 

 Polytechnic Institute in 1881, he taught at Williston Seminary, East- 

 hampton, Mass., for 6 years. Following this, he studied in Europe at the 

 University of Jena, Germany, and received his doctoral degree in 1888. In 

 1891, he was appointed pathologist in the Department of Agriculture in 

 New South Wales, Australia. After other assignments and travel, he 

 became an agricultural technologist with the U.S. Department of Agricul- 

 ture in 1907; later, he became one of its principal nematologists. 



During his scientific career, he described approximately 1,000 new spe- 

 cies of plants and animals and published many technical articles. Because 

 of his several inventions that benefited the fiber industries of the world, he 

 was awarded a medal by the National Cotton Manufacturers Association. 

 Dr. Cobb belonged to many scientific societies, and, in his later years, was 

 President of the Washington Academy of Sciences. 



Dr. Cobb died in Baltimore, Md. 



Colonel Spencer Cosby, USA 

 (1868-1962) 



While serving as President Taffs Military Aid and Superintendent of 

 Public Buildings and Grounds for Washington, D.C., Colonel Cosby 

 arranged with Mayor Ozaki and other Japanese and American officials to 

 bring the cherry trees to Washington, and directed their planting. 



Born in Baltimore, Md., Colonel Cosby attended West Point, gradu- 

 ating first in his class in 1891. He was a member of the volunteer service 

 during the Spanish-American war and held the temporary rank of Major 

 of Engineers. After being discharged from his war duties in 1901, he was 

 promoted to the permanent rank of Captain of Engineers. During his mil- 

 itary career, which covered approximately 41 years, he rose from the rank 

 of 2d Lieutenant to Colonel. In addition to serving during the Taft 

 Administration as Military Aide to the President and Superintendent of 

 Public Buildings and Grounds under the War Department, Cosby was the 

 Engineering Commissioner for the District of Columbia. From 1913 to 

 1917, he served as the U.S. Military Attache to Paris, France. He retired 

 from the Army in 1928 and later died in Washington, D.C. 



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