The control panel of the automatic sequence-controlled calculating machine at Manchester University; showing the monitor cathode-ray tube with Dr. T. Kilburn (left) and Professor F. C. Williams (right), inventor of the memory storage system. Williams became Professor Electrical Engineering at Manchester in 1946 is chiefly known for his development of the Williams tube, the first successful electrostatic random access memory for the digital computer. This enabled him, along with Kilburn, to operate the world's first stored-program computer in June 1948.