NON GRADUATES CLASS OF 1905 119 

He has devoted most of his time to the examination of the 
forests of the Pacific Coast and made one trip exploring the 
forests of Chile. He is secretary of the Oregon Conservation 
Association. 
He served three years in the Oregon National Guard and is 
Progressive in politics. He is a member of the Portland 
‘Commercial Club and the Irvington Club. 
He has published: Forest conditions in the Cascade Forest Reserve, Prof. 
Paper No, 9, U. S. Gov. Ser., 1903; Taxation of timber, Ore. Forester, 
Portland, Ore., March, 1908; Forest chapter in “The guardians of the 
Columbia” by John H. Williams, Tacoma, Wash., 1912. 
Chester A. Mathewson 
Business address, Training School for Teachers, Brooklyn, N. Y. 
Residence, 354 New York Avenue, Brooklyn, N. Y. 
Chester Arthur Mathewson was born December 11, 1878, in Cincinnati, 
Ohio, the son of Lewis W. Mathewson, a civil engineer, and Mary 
(Cannon) Mathewson. They were of New England ancestry. He has 
two brothers, Walter B. Mathewson and Stanley Mathewson, M.E. Uni- 
versity of Cincinnati. 
He attended the University of Cincinnati before entering Yale and 
taught in secondary schools. 
He was married August 28, 1907, in Bond Hill, Ohio, to Miss Nan 
Jenny, daughter of William M. Jenny and Mary (Manning) Jenny. They 
have one daughter: Marian Estelle Mathewson, born May 9, 1908, in 
New York City. 
Mathewson received the degree of B.S. at Columbia Uni- 
versity in 1905, M.A. in 1906 and Ph.D. in 1912. He has taught 
biology during this period, holding the following positions: 
instructor, Columbia University, 1905-06; Plainfield, N. J., 
1906-07 ; High School of Commerce, New York City, 1907-10; 
and professor of biology at the Training School for Teachers, 
Brooklyn, N. Y., since 1910. 
' He was elected to membership in Sigma Xi in March, 1912, 
and is also a member of the Biochemical Association of Columbia 
University. 
