Summary: A discussion with the Father of Function, Gary Gray and his son Doug. For more information on the offerings from the Gray Institute, please visit them at www.grayinstitute.com<br> <br> <br>
Summary: A discussion with the Father of Function, Gary Gray and his son Doug. For more information on the offerings from the Gray Institute, please visit them at www.grayinstitute.com<br> <br> <br>