Matlab, Alan Turing, Apl, Linear Algebra, Kdb.
1950s. But I speculate, and I will gladly be corrected by those who know more than I. Another speculation. Moler in his blog teasingly includes a picture (link to the blog again here) showing Forsythe at UCLA in the 1950s, some years before he came on the scene. In it, he names those in the front