Keith Black - engineer - died on 1991-05-13.
Keith Black - engineer - was born on 1926-06-25.
Roy Keith Black died on 2009-12-28.
Roy Keith Black was born on 1927-10-30.
You need to be more specific what engineer are you looking for?
Keith Edmondson died in 1995.
Keith Leftwich died in 2003.
Keith Enderbury died in 2000.
Keith Kirkland died in 1971.
Keith Grand died in 1983.
Keith Frazier died in 1992.
Keith Mant died in 2000.
Keith Kyle died in 2007.