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).
Selecting a comfortable, supportive chair is the first step in determining your ideal computer desk height. The chair and desk must work together as a cohesive unit. Choosing a chair with adjustable back support and adjustable seat height offers the most customization and comfort. When seated, your leg-to-torso angle should be between 90 and 110 degrees and the edge of the seat should not contact the back of your knees. Other considerations that determine a computer desk's correct height are the equipment you use, the tasks you perform and your physical height.