Professor David A Turner. One of the pioneers of functional languages. He designed several languages, including, SASL (1976), KRC (1981), and Miranda, many of which were implemented using COMbinators and the {S-K reduction machine} which he defined. He coined the name "ZF expression" for the {list COMprehension}. He worked at UKC and set up a COMpany, Research Software Limited to market Miranda. (1994-12-06)