June 23rd Clemson Historic Picture And Trivia Question Of The Day

Today’s photo is from 1964 and shows the final grading of the area where the R. M. Cooper Library would be built.
The Cooper Library building, which replaced the library in Sikes Hall, won a first place award from the SC Chapter of the American Institute of Architects.
Trivia Question
Cooper library contains special collections from 4 prominent South Carolinians. Who are they?
(Place answer in comments)

[@megan69021]

Trivia Answer: Cooper Library houses 362 processed manuscript collections including the papers of John C. Calhoun, Thomas Green Clemson, James F. Byrnes and Strom Thurmond.