The company’s tone, though, was set by his sister Clara. Her desk was in the middle of the floor, where she could keep an eye on everything and everyone. She knew who had come in late. She decorated the office; managers who were promoted into glass-fronted offices of their own found that she had selected their furnishings for them, right down to the art. “If you put a picture or a calendar on the wall, you got a note from Clara the next morning,” one recalled. She set the rules: coffee nowhere but the coffee room, no personal phone calls, desks cleared every night. She personally reviewed
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