found: Roots and branches [SR] p1994:container (Tex Logan) insert (Tex Logan, country fiddler from Coahoma, Tex.; master's degree in electrical engineering from MIT; performed in Boston area in 1950s)
found: Mountain music, bluegrass style [SR] p1991:label (Tex Logan) insert (b. 1927, Coahoma, Howard County, Texas; fiddler and electrical engineer)
found: All music guide WWW site, Jan. 10, 2008(Tex Logan; b. Benjamin Logan, Jr.; bluegrass fiddler, songwriter, and electrical engineer; now lives in Madison, N.J.)
found: New York times (online), viewed May 6, 2015(in obituary published May 5: Benjamin F. Logan; b. Benjamin Franklin Logan Jr., June 6, 1927, Coahoma, Tex.; d. Apr. 24, Morristown, N.J., aged 87; on weekdays, worked as a mathematician and electrical engineer at AT&T Bell Laboratories in New Jersey; on nights and weekends, donned a 10-gallon hat and took to the stage as a pre-eminent bluegrass fiddler; usually billed as Tex Logan)