One of the most vocal critics of abstract expressionism at the time was New York Times art critic John Canaday. Meyer Schapiro and Leo Steinberg along with Clement Greenberg and Harold Rosenberg were important art historians of the post-war era who voiced support for abstract expressionism.
Keyboards should be of appropriate size and key-spacing to accommodate most users. Generally, the horizontal spacing between the centers of two keys should be 0.71-0.75 inches (18-19 mm) and the vertical spacing should be between 0.71-0.82 inches (18-21 mm) (Figure 9).
Regular chairs have a standard seat height of 17 to 19 inches. Shelves above a desk. For an office or workspace with open shelves or uppers, 22 to 24 inches is standard for shelf placement above the top of the desk. This is high enough to clear most computer screens and even accommodate undercounter lights.