No, they are both very much alive. Their most recent season of their television series Mythbusters airs April 6th.
No. Adam Savage is alive and well. In fact, he is still doing shows on Myth Busters.
John M. Hyneman died in 1816.
William Savage died in 1789.
Henry Savage died in 1672.
Leslie Savage died in 1979.
Graham Savage died in 1981.
Dudley Savage died in 2008.
Derek Savage died in 2007.
Douglas Savage died in 196#.
Richard Savage died in 1743.
Eugene Savage died in 1978.
Marmion Savage died in 1872.