IN 1836 when it was being planned in Whiteby, N. Y., its name was to be "Prairie College."  When a charter was issued it was called "Knox  Labor College."  Today it is Knox College at , Ill., 100 years old in June.  Though he is  serving in that capacity, Knox's Centennial  the formal occasion for inaugurating its 11th , Dr. Carter Davidson, 32, Kentucky born,  recently associate professor in English at  College (Minnesota). Once affiliated with the Presbyterian and  church, Knox made an apt choice in  Davidson.  He is a  of the Congregational , ordained in  two years after he  the duties of  Carleton's president.  Harvard gave him his  the University of  his M. A., Chicago Ph. D.  He has  the Universities of  and Chicago. In 1930 Knox  its neighbor in  Lombard College.   its co-educational student body numbers 528  its faculty 38.  Now non-denominational,  College has an endowment well over two million , its library has the important Finley collection documents on the early French and English  in the Mississippi valley. When called on to speak at the Knox  June, Pres. Davidson will respond forcibly on  platform.  He has taught speech as well as  for a long time.  Delta Sigma Rho counts him a distinguished alumnus.  With Poet Louis  he wrote Poetry, Its Appreciation and Enjoyment.