ANSWER
They are all buried in Arlington National Cemetery. Also buried in Arlington…
Richard Byrd, Robert Peary (explorers)
L. Sprague de Camp (author)
Oliver Wendell Holmes, Thurgood Marshall, Earl Warren (Supreme Court Justices)
Grace Murray Hopper (computer science pioneer)
Burt Kennedy (writer/director)
Pierre Charles L'Enfant (civil engineer)
Glenn Miller (bandleader)
Walter Reed (physician/scientist)
George Westinghouse (inventor)
(Alternate answer: David Evans, Yanitz Grinell, and Steve Shuba correctly answered that they all served in the US military.)
WHO GOT IT RIGHT: Marc Quinlivan, Robin Campbell, Allan Christensen, Jim Ahumada, Justin Maloska, Jack Judge, David Evans, Yanitz Grinell, and Steve Shuba.
