All sources seem to indicate that the first practical solutions to anti aliasing were invented Frank Crow computer graphics pioneer who incidentally works for nVIDIA these days in 1977 Earliest reference I could find was The Aliasing Problem in Computer Generated Shaded Images Communications of the ACM vol 20 11 pp 799 805 Nov 1997 Of course I ve also seen mentions of work done at the Architecture Machine Group at MIT in 1972 but I have not seen any references to published papers 23 06 Jan 24 2003 UTC