archives begin in 1996
story © Michael Betancourt | published May 23, 2008 | permalink |
Pushing the Performance Envelope.
Mary Hallock-Greenewalt was a musician, engineer, inventor ... and exceptional.
Copyright © Michael Betancourt 1996 - 2018 all rights reserved. All images, copyrights, and trademarks are owned by their respective owners: any presence here is for purposes of commentary only.
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