Tim Gordon has been appraising and learning about antiques, art and collectibles since he was 10 years old. He is a frequent appraiser on the PBS series Antiques Roadshow and over the years has appraised such wonderful collections as Princess Diana's wardrobe; Ronald Regan's estate at Rancho del Cielo; entire ghost towns in Montana; the contents of the sunken ship Arabia; Jim Morrison's writings and notebooks; Al Capone's estate; entire national art collections including Yosemite National Park and Mt. Whitney National Park.