Tony Tebby
Tony Tebby is probably most famous for designing Qdos , the computer operating system used in the Sinclair QL personal computer , whilst working as an engineer at Sinclair Research in the early 1980s . 
<triplet> Tony Tebby <subj> Sinclair Research <obj> employer <triplet> Qdos <subj> Tony Tebby <obj> designed by <subj> operating system <obj> instance of <subj> Sinclair QL <obj> platform <subj> Sinclair Research <obj> developer <triplet> Sinclair QL <subj> Qdos <obj> operating system <subj> personal computer <obj> subclass of <subj> Sinclair Research <obj> developer