Benjamin Franklin "Tex" Logan, Jr. (June 6, 1927 – April 24, 2015) was an American electrical engineer and bluegrass music fiddler.
He then moved to New Jersey where he joined Bell Labs (1956) and started his doctoral studies at Columbia University.
[1][2] He played with Mike Seeger in the late 1950s, with The Lilly Brothers & Don Stover and Bill Monroe in the 1960s, and with Peter Rowan in the 1980s.
[4] Logan wrote "Christmas Time's A-Coming", a song made popular by Bill Monroe that has been recorded by many performers, including Johnny Cash, Emmylou Harris, Sammy Kershaw, Rhonda Vincent, and Patty Loveless, among others; and "Diamond Joe" recorded by Bob Dylan.
In 1969, Logan played fiddle on the Bee Gees' 1969 song "Give Your Best", released on the band's sixth album Odessa.