Christel Kammerer was a German management consultant[1] who is credited with inventing the idea of Flextime,[1] allowing workers to alter their respective start and finish times at work as long as they complete the required daily/weekly total number of hours.
[2] Flextime consists of a "core" period of the day during which employees are required to be at work, and a flexible period, within which all required hours must be worked.
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