Happy Birthday Jeremiah Dummer!! American silversmith, Dummer, was born in 1645. Born in Massachusetts, he was first apprenticed to a mintmaster, later at age 23, he went on his own and became a respected silversmith. He also engraved plates for currency and dabbled in portraiture. His works are extremely valuable today. He is known to have invented the technique of “gadrooning” a decorative curved fluting used on silver pieces.