Lt Col Thompson was killed, he had been the 1st president of St Johns' College of Arkansas , in Little Rock, the 1st institution created for higher learning in Arkansas,to wit:

PRESIDENT: John Baker THOMPSON (1834VA-1862TN)
http://books.google.com/books?id=dqkgAAAAMAAJ&pg=PA98&lpg=PA98&dq,
highly recommended by president of University of Virginia, a mathematician, most recently professor at Albermarle Female Institute, and University of Virginia, Charlottesville, Albermarle county, Virginia (Virginia's 39 independent city status' within her 95 counties allowed after 1871) and with his close friend and fellow professor at Albermarle Female Institute vice-president.

He and wife are buried in Richmond, Virginia and someone wrote a book about that cemetery and have his picture therein.