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• Bruce Perens defined 'The Open Source Definition' in the 1999 book 'Open Sources: Voices from the Open Source Revolution'.
• The Open Source Definition was based on the Debian Free Software Guidelines, which were written and adapted primarily by Bruce Perens.
• Bruce Perens authored 'The Open Source Definition', which serves as a foundational document for the Open Source Initiative's definition of open source software.
• Bruce Perens, creator of the Open Source Definition and co-founder of the Open Source Initiative, started the first hardware-focused open source activities around 1997.
• Openhardware.org, led by Bruce Perens, promoted and identified practices that met the combined requirements of the Open Source Hardware Definition, the Open Source Definition, and the Four Freedoms of the Free Software Foundation.
• Bruce Perens published 'The Open Source Definition' on March 29, 1999, which was later included in the book 'Open Sources: Voices from the Open Source Revolution'.
• The Open Source Hardware (OSHW) Definition 1.0 is based on the Open Source Definition for Open Source Software, which was created by Bruce Perens and the Debian developers as the Debian Free Software Guidelines.