Propst and the Research Corporation developed a plan, which George Nelson's office executed in the form of the Action Office I (AO-1), and introduced it in the Herman Miller lineup in 1964.[1][2] AO-1 featured desks and workspaces of varying height which allowed the worker a freedom of movement, and to assume the work position best suited for the task.[1][2] AO-1 was ideally suited to small professional offices in which managers and employees often interacted using the same furnishings, but wasn't suitable for large corporation offices. In addition, it was expensive and difficult to assemble.[1][2] Despite its shortcomings, Nelson won the Alcoa Award for the design, neglecting to mention Propst's contribution.[1][2]