Answer: cray

AnswerCrossword Clue
CRAYBig name in computers
craycrayfish (a crustacean)
CRAYSupercomputing pioneer Seymour
CRAYSupercomputer brand
CRAYBlues guitarist Robert
CRAYShelled fish
CRAYKind of fish
CRAYKind of fish?
CRAYRobert with the blues
CRAY"Smoking Gun" bluesman Robert
CRAYBig name in early computers
CRAYBluesman Robert with five Grammys
CRAYBonkers, in modern lingo
CRAYSeymour ..., the Father of Supercomputing
CRAYSupercomputer pioneer
CRAYEarly computer developer
CRAYSpiny lobster
CRAYSpiny lobster, for short.
CRAY...-Pas (drawing medium)
CRAYSupercomputer company
CRAYComputer pioneer Seymour
CRAYComputer name
CRAY"The Father of Supercomputing"
CRAYBig name in supercomputers
CRAY.... fish: lobster
CRAYSupercomputer inventor
CRAYSupercomputer name
CRAYSupercomputer maker
CRAYBluesman Robert
CRAYEarly mainframe maker