Visitors of all ages took part in a range of activities including landscape drawing, photography, bug-hunting, dressing-up as Georgians and learning country dances.
His job at Intel takes him to festivals and events such as the Bay Area Maker Faire, where he leads creative workshops on such activities as making digital circuits by drawing with a pencil.
Orrin Hatch, R-Utah, suggested that lawmakers need to go back to the drawing board and enact laws that put tighter controls on the activities of hedge funds.