Christel Kammerer was a German management consultant who is credited with inventing the idea of

Flextime Flextime, also spelled flex-time or flexitime ( BE), is a flexible hours schedule that allows workers to alter their workday and adjust their start and finish times. In contrast to traditional work arrangements that require employees to work a sta ...

, 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. 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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20th-century German inventors 20th-century women inventors Possibly living people Year of birth missing {{Germany-engineer-stub