Willard H. Clatworthy, was a professor emeritus from University of Buffalo and a World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 veteran from Williamsville, New York

Williamsville, New York

Williamsville is a village in Erie County, New York in the United States. The population was 5,573 at the 2000 census. The village is named after Jonas Williams, an early settler...

. He is known for his work in BIBD designs and combinatorial mathematics. Clatworthy received his Ph.D. in the year 1952 from the University of North Carolina at Chapel Hill

University of North Carolina at Chapel Hill

The University of North Carolina at Chapel Hill is a public research university located in Chapel Hill, North Carolina, United States...

 under the direction of R. C. Bose; Clatworthy authored papers with S. S. Shrikhande

S. S. Shrikhande

Sharadchandra Shankar Shrikhande is an Indian mathematician with distinguished and well-recognized achievements in combinatorial mathematics. He is notable for his breakthrough work along with R. C. Bose and E. T...

, and J. M. Cameron on BIBD designs.

Career

Clatworthy was born in Auxier, Kentucky

East Point, Kentucky

East Point is an unincorporated community in Johnson County, Kentucky, United States. The community's first settlers were the Matthias Harman, Greer and Auxier families at Blockhouse Bottom. The first post office was originally established in Floyd County on February 6, 1871, but was moved to...

. He graduated from Berea College

Berea College

Berea College is a liberal arts work college in Berea, Kentucky , founded in 1855. Current full-time enrollment is 1,514 students...

, the University of Kentucky

University of Kentucky

The University of Kentucky, also known as UK, is a public co-educational university and is one of the state's two land-grant universities, located in Lexington, Kentucky...

. He served on the USS Wyoming

USS Wyoming

One ship of the United States Navy has been named USS Wyoming in honor of the Wyoming Valley in eastern Pennsylvania that runs along the Susquehanna River...

 and reached the rank of lieutenant before leaving the U.S. Navy in 1945. Clatworthy worked at the Milwaukee School of Engineering, Wayne State University

Wayne State University

Wayne State University is a public research university located in Detroit, Michigan, United States, in the city's Midtown Cultural Center Historic District. Founded in 1868, WSU consists of 13 schools and colleges offering more than 400 major subject areas to over 32,000 graduate and...

 in Detroit, the University of North Carolina

University of North Carolina

Chartered in 1789, the University of North Carolina was one of the first public universities in the United States and the only one to graduate students in the eighteenth century...

, Westinghouse Electric Corporation in Pittsburgh and with the National Bureau of Standards in Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

In 1962, he took a position as a professor in the mathematics department at University of Buffalo. He retired in 1987.

Select Publications

• Tables of two-associate-class partially balanced designs, WH Clatworthy, JM Cameron, RC Bose, JA … - 1973 - US Dept. of Commerce, National …
• Some Theorems for Partially Balanced Designs, W. S. Connor and W. H. Clatworthy, Ann. Math. Statist. Volume 25, Number 1 (1954), 100-112.