Answer: gregg

AnswerCrossword Clue
GREGGShorthand system inventor
GREGGCoach Popovich with five N.B.A. championships
GREGGRocker Allman
GREGGShorthand innovator
GREGGOne of the Allman brothers
GREGGShorthand system introduced in 1888
GREGGShorthand name
GREGGKind of shorthand
GREGGClark ..., "The Avengers" actor
GREGGAllman brother who married Cher
GREGGTexas county named for a Civil War general, with its seat in Longview
GREGG... Shorthand course
GREGGSome shorthand
GREGGSystem of shorthand
GREGGAn Allman brother
GREGGShorthand expert
GREGGShorthand man
GREGGShorthand name.
GREGGPitman's rival.
GREGGFormer Met Jefferies
GREGGSystem wherein "Gentlemen" looks like a "U"
GREGGA shorthand inventor
GREGG"Agents of S.H.I.E.L.D." star Clark ...
GREGGShorthand system
GREGGOne of the Allman Brothers
GREGGShorthand inventor
GREGGShorthand pioneer
GREGGA rocking Allman